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Finding the Fourth Proportional to 354,874.60, 532,311.90 and 235,124.20

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Solution

The fourth proportional to 354,874.60, 532,311.90 and 235,124.20 is: 352,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,874.60 : 532,311.90 = 235,124.20 : x
  2. Step 2: Convert to fraction form
    354,874.60/532,311.90 = 235,124.20/x
  3. Step 3: Cross multiply
    354,874.60x = 532,311.90 × 235,124.20
  4. Step 4: Simplify right side
    354,874.60x = 125,159,409,637.98
  5. Step 5: Solve for x
    x = 125,159,409,637.98/354,874.60
  6. Step 6: Final answer
    x = 352,686.30

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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.