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Finding the Fourth Proportional to 500,615.78, 750,398.78 and 234,151.70

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Solution

The fourth proportional to 500,615.78, 750,398.78 and 234,151.70 is: 350,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,615.78 : 750,398.78 = 234,151.70 : x
  2. Step 2: Convert to fraction form
    500,615.78/750,398.78 = 234,151.70/x
  3. Step 3: Cross multiply
    500,615.78x = 750,398.78 × 234,151.70
  4. Step 4: Simplify right side
    500,615.78x = 175,707,145,092.17
  5. Step 5: Solve for x
    x = 175,707,145,092.17/500,615.78
  6. Step 6: Final answer
    x = 350,982.04

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1.5x scale

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.