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Finding the Fourth Proportional to 501,023.80, 751,535.70 and 329,781.70

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Solution

The fourth proportional to 501,023.80, 751,535.70 and 329,781.70 is: 494,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,023.80 : 751,535.70 = 329,781.70 : x
  2. Step 2: Convert to fraction form
    501,023.80/751,535.70 = 329,781.70/x
  3. Step 3: Cross multiply
    501,023.80x = 751,535.70 × 329,781.70
  4. Step 4: Simplify right side
    501,023.80x = 247,842,720,756.69
  5. Step 5: Solve for x
    x = 247,842,720,756.69/501,023.80
  6. Step 6: Final answer
    x = 494,672.55

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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.