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Finding the Fourth Proportional to 392,032.60, 587,271.30 and 225,626.20

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Solution

The fourth proportional to 392,032.60, 587,271.30 and 225,626.20 is: 337,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,032.60 : 587,271.30 = 225,626.20 : x
  2. Step 2: Convert to fraction form
    392,032.60/587,271.30 = 225,626.20/x
  3. Step 3: Cross multiply
    392,032.60x = 587,271.30 × 225,626.20
  4. Step 4: Simplify right side
    392,032.60x = 132,503,791,788.06
  5. Step 5: Solve for x
    x = 132,503,791,788.06/392,032.60
  6. Step 6: Final answer
    x = 337,991.77

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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.