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Finding the Fourth Proportional to 486,561.60, 729,550.80 and 250,365.60

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Solution

The fourth proportional to 486,561.60, 729,550.80 and 250,365.60 is: 375,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,561.60 : 729,550.80 = 250,365.60 : x
  2. Step 2: Convert to fraction form
    486,561.60/729,550.80 = 250,365.60/x
  3. Step 3: Cross multiply
    486,561.60x = 729,550.80 × 250,365.60
  4. Step 4: Simplify right side
    486,561.60x = 182,654,423,772.48
  5. Step 5: Solve for x
    x = 182,654,423,772.48/486,561.60
  6. Step 6: Final answer
    x = 375,398.35

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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.