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Finding the Fourth Proportional to 415,282.86, 573,116.04 and 240,888.42

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Solution

The fourth proportional to 415,282.86, 573,116.04 and 240,888.42 is: 332,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,282.86 : 573,116.04 = 240,888.42 : x
  2. Step 2: Convert to fraction form
    415,282.86/573,116.04 = 240,888.42/x
  3. Step 3: Cross multiply
    415,282.86x = 573,116.04 × 240,888.42
  4. Step 4: Simplify right side
    415,282.86x = 138,057,017,352.26
  5. Step 5: Solve for x
    x = 138,057,017,352.26/415,282.86
  6. Step 6: Final answer
    x = 332,440.92

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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.