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Finding the Fourth Proportional to 636,714.40, 954,967.56 and 187,330.18

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Solution

The fourth proportional to 636,714.40, 954,967.56 and 187,330.18 is: 280,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,714.40 : 954,967.56 = 187,330.18 : x
  2. Step 2: Convert to fraction form
    636,714.40/954,967.56 = 187,330.18/x
  3. Step 3: Cross multiply
    636,714.40x = 954,967.56 × 187,330.18
  4. Step 4: Simplify right side
    636,714.40x = 178,894,244,908.96
  5. Step 5: Solve for x
    x = 178,894,244,908.96/636,714.40
  6. Step 6: Final answer
    x = 280,964.66

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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.