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Finding the Fourth Proportional to 374,248.32, 516,456.60 and 204,478.80

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Solution

The fourth proportional to 374,248.32, 516,456.60 and 204,478.80 is: 282,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,248.32 : 516,456.60 = 204,478.80 : x
  2. Step 2: Convert to fraction form
    374,248.32/516,456.60 = 204,478.80/x
  3. Step 3: Cross multiply
    374,248.32x = 516,456.60 × 204,478.80
  4. Step 4: Simplify right side
    374,248.32x = 105,604,425,820.08
  5. Step 5: Solve for x
    x = 105,604,425,820.08/374,248.32
  6. Step 6: Final answer
    x = 282,177.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.