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Finding the Fourth Proportional to 762,345.92, 1,051,348.92 and 475,892.48

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Solution

The fourth proportional to 762,345.92, 1,051,348.92 and 475,892.48 is: 656,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,345.92 : 1,051,348.92 = 475,892.48 : x
  2. Step 2: Convert to fraction form
    762,345.92/1,051,348.92 = 475,892.48/x
  3. Step 3: Cross multiply
    762,345.92x = 1,051,348.92 × 475,892.48
  4. Step 4: Simplify right side
    762,345.92x = 500,329,044,884.12
  5. Step 5: Solve for x
    x = 500,329,044,884.12/762,345.92
  6. Step 6: Final answer
    x = 656,301.86

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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.