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Finding the Fourth Proportional to 536,624.30, 804,936.45 and 287,792.30

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Solution

The fourth proportional to 536,624.30, 804,936.45 and 287,792.30 is: 431,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,624.30 : 804,936.45 = 287,792.30 : x
  2. Step 2: Convert to fraction form
    536,624.30/804,936.45 = 287,792.30/x
  3. Step 3: Cross multiply
    536,624.30x = 804,936.45 × 287,792.30
  4. Step 4: Simplify right side
    536,624.30x = 231,654,512,299.34
  5. Step 5: Solve for x
    x = 231,654,512,299.34/536,624.30
  6. Step 6: Final answer
    x = 431,688.45

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Half scale
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Double scale
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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.