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Finding the Fourth Proportional to 352,032.72, 527,770.44 and 127,358.16

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Solution

The fourth proportional to 352,032.72, 527,770.44 and 127,358.16 is: 190,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,032.72 : 527,770.44 = 127,358.16 : x
  2. Step 2: Convert to fraction form
    352,032.72/527,770.44 = 127,358.16/x
  3. Step 3: Cross multiply
    352,032.72x = 527,770.44 × 127,358.16
  4. Step 4: Simplify right side
    352,032.72x = 67,215,872,140.79
  5. Step 5: Solve for x
    x = 67,215,872,140.79/352,032.72
  6. Step 6: Final answer
    x = 190,936.43

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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.