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Finding the Fourth Proportional to 552,890.80, 829,336.20 and 272,954.80

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Solution

The fourth proportional to 552,890.80, 829,336.20 and 272,954.80 is: 409,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,890.80 : 829,336.20 = 272,954.80 : x
  2. Step 2: Convert to fraction form
    552,890.80/829,336.20 = 272,954.80/x
  3. Step 3: Cross multiply
    552,890.80x = 829,336.20 × 272,954.80
  4. Step 4: Simplify right side
    552,890.80x = 226,371,296,603.76
  5. Step 5: Solve for x
    x = 226,371,296,603.76/552,890.80
  6. Step 6: Final answer
    x = 409,432.20

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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.