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Finding the Fourth Proportional to 240,397.92, 360,592.80 and 71,918.64

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Solution

The fourth proportional to 240,397.92, 360,592.80 and 71,918.64 is: 107,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,397.92 : 360,592.80 = 71,918.64 : x
  2. Step 2: Convert to fraction form
    240,397.92/360,592.80 = 71,918.64/x
  3. Step 3: Cross multiply
    240,397.92x = 360,592.80 × 71,918.64
  4. Step 4: Simplify right side
    240,397.92x = 25,933,343,769.79
  5. Step 5: Solve for x
    x = 25,933,343,769.79/240,397.92
  6. Step 6: Final answer
    x = 107,876.74

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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.