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Finding the Fourth Proportional to 636,712.92, 954,740.72 and 187,375.44

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Solution

The fourth proportional to 636,712.92, 954,740.72 and 187,375.44 is: 280,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,712.92 : 954,740.72 = 187,375.44 : x
  2. Step 2: Convert to fraction form
    636,712.92/954,740.72 = 187,375.44/x
  3. Step 3: Cross multiply
    636,712.92x = 954,740.72 × 187,375.44
  4. Step 4: Simplify right side
    636,712.92x = 178,894,966,544.63
  5. Step 5: Solve for x
    x = 178,894,966,544.63/636,712.92
  6. Step 6: Final answer
    x = 280,966.45

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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.