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Finding the Fourth Proportional to 354,706.20, 532,107.90 and 118,024.20

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Solution

The fourth proportional to 354,706.20, 532,107.90 and 118,024.20 is: 177,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,706.20 : 532,107.90 = 118,024.20 : x
  2. Step 2: Convert to fraction form
    354,706.20/532,107.90 = 118,024.20/x
  3. Step 3: Cross multiply
    354,706.20x = 532,107.90 × 118,024.20
  4. Step 4: Simplify right side
    354,706.20x = 62,801,609,211.18
  5. Step 5: Solve for x
    x = 62,801,609,211.18/354,706.20
  6. Step 6: Final answer
    x = 177,052.47

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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.