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Finding the Fourth Proportional to 354,792.70, 532,274.10 and 118,137.52

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Solution

The fourth proportional to 354,792.70, 532,274.10 and 118,137.52 is: 177,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,792.70 : 532,274.10 = 118,137.52 : x
  2. Step 2: Convert to fraction form
    354,792.70/532,274.10 = 118,137.52/x
  3. Step 3: Cross multiply
    354,792.70x = 532,274.10 × 118,137.52
  4. Step 4: Simplify right side
    354,792.70x = 62,881,542,134.23
  5. Step 5: Solve for x
    x = 62,881,542,134.23/354,792.70
  6. Step 6: Final answer
    x = 177,234.60

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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.