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Finding the Fourth Proportional to 501,665.12, 752,755.90 and 333,301.36

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Solution

The fourth proportional to 501,665.12, 752,755.90 and 333,301.36 is: 500,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,665.12 : 752,755.90 = 333,301.36 : x
  2. Step 2: Convert to fraction form
    501,665.12/752,755.90 = 333,301.36/x
  3. Step 3: Cross multiply
    501,665.12x = 752,755.90 × 333,301.36
  4. Step 4: Simplify right side
    501,665.12x = 250,894,565,218.02
  5. Step 5: Solve for x
    x = 250,894,565,218.02/501,665.12
  6. Step 6: Final answer
    x = 500,123.60

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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.