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Finding the Fourth Proportional to 433,318.10, 598,129.28 and 297,800.64

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Solution

The fourth proportional to 433,318.10, 598,129.28 and 297,800.64 is: 411,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,318.10 : 598,129.28 = 297,800.64 : x
  2. Step 2: Convert to fraction form
    433,318.10/598,129.28 = 297,800.64/x
  3. Step 3: Cross multiply
    433,318.10x = 598,129.28 × 297,800.64
  4. Step 4: Simplify right side
    433,318.10x = 178,123,280,897.74
  5. Step 5: Solve for x
    x = 178,123,280,897.74/433,318.10
  6. Step 6: Final answer
    x = 411,068.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.