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Finding the Fourth Proportional to 354,825.17, 532,245.29 and 127,135.61

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Solution

The fourth proportional to 354,825.17, 532,245.29 and 127,135.61 is: 190,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,825.17 : 532,245.29 = 127,135.61 : x
  2. Step 2: Convert to fraction form
    354,825.17/532,245.29 = 127,135.61/x
  3. Step 3: Cross multiply
    354,825.17x = 532,245.29 × 127,135.61
  4. Step 4: Simplify right side
    354,825.17x = 67,667,331,262.23
  5. Step 5: Solve for x
    x = 67,667,331,262.23/354,825.17
  6. Step 6: Final answer
    x = 190,706.12

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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.