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Finding the Fourth Proportional to 543,237.10, 816,084.45 and 377,349.10

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Solution

The fourth proportional to 543,237.10, 816,084.45 and 377,349.10 is: 566,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,237.10 : 816,084.45 = 377,349.10 : x
  2. Step 2: Convert to fraction form
    543,237.10/816,084.45 = 377,349.10/x
  3. Step 3: Cross multiply
    543,237.10x = 816,084.45 × 377,349.10
  4. Step 4: Simplify right side
    543,237.10x = 307,948,732,731.50
  5. Step 5: Solve for x
    x = 307,948,732,731.50/543,237.10
  6. Step 6: Final answer
    x = 566,877.21

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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.