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Finding the Fourth Proportional to 392,569.55, 588,854.33 and 97,081.55

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Solution

The fourth proportional to 392,569.55, 588,854.33 and 97,081.55 is: 145,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,569.55 : 588,854.33 = 97,081.55 : x
  2. Step 2: Convert to fraction form
    392,569.55/588,854.33 = 97,081.55/x
  3. Step 3: Cross multiply
    392,569.55x = 588,854.33 × 97,081.55
  4. Step 4: Simplify right side
    392,569.55x = 57,166,890,595.20
  5. Step 5: Solve for x
    x = 57,166,890,595.20/392,569.55
  6. Step 6: Final answer
    x = 145,622.33

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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.