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Finding the Fourth Proportional to 506,892.78, 759,499.58 and 356,397.79

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Solution

The fourth proportional to 506,892.78, 759,499.58 and 356,397.79 is: 534,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,892.78 : 759,499.58 = 356,397.79 : x
  2. Step 2: Convert to fraction form
    506,892.78/759,499.58 = 356,397.79/x
  3. Step 3: Cross multiply
    506,892.78x = 759,499.58 × 356,397.79
  4. Step 4: Simplify right side
    506,892.78x = 270,683,968,137.19
  5. Step 5: Solve for x
    x = 270,683,968,137.19/506,892.78
  6. Step 6: Final answer
    x = 534,006.36

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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.