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Finding the Fourth Proportional to 552,936.30, 829,404.45 and 273,000.30

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Solution

The fourth proportional to 552,936.30, 829,404.45 and 273,000.30 is: 409,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,936.30 : 829,404.45 = 273,000.30 : x
  2. Step 2: Convert to fraction form
    552,936.30/829,404.45 = 273,000.30/x
  3. Step 3: Cross multiply
    552,936.30x = 829,404.45 × 273,000.30
  4. Step 4: Simplify right side
    552,936.30x = 226,427,663,671.34
  5. Step 5: Solve for x
    x = 226,427,663,671.34/552,936.30
  6. Step 6: Final answer
    x = 409,500.45

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Half scale
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Double scale
Find fourth proportional to 552,937.30, 829,405.95 and 273,001.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.