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Finding the Fourth Proportional to 354,885.57, 532,292.31 and 118,202.76

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Solution

The fourth proportional to 354,885.57, 532,292.31 and 118,202.76 is: 177,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,885.57 : 532,292.31 = 118,202.76 : x
  2. Step 2: Convert to fraction form
    354,885.57/532,292.31 = 118,202.76/x
  3. Step 3: Cross multiply
    354,885.57x = 532,292.31 × 118,202.76
  4. Step 4: Simplify right side
    354,885.57x = 62,918,420,168.78
  5. Step 5: Solve for x
    x = 62,918,420,168.78/354,885.57
  6. Step 6: Final answer
    x = 177,292.13

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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.