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Finding the Fourth Proportional to 636,473.28, 954,575.44 and 187,071.90

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Solution

The fourth proportional to 636,473.28, 954,575.44 and 187,071.90 is: 280,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,473.28 : 954,575.44 = 187,071.90 : x
  2. Step 2: Convert to fraction form
    636,473.28/954,575.44 = 187,071.90/x
  3. Step 3: Cross multiply
    636,473.28x = 954,575.44 × 187,071.90
  4. Step 4: Simplify right side
    636,473.28x = 178,574,241,254.14
  5. Step 5: Solve for x
    x = 178,574,241,254.14/636,473.28
  6. Step 6: Final answer
    x = 280,568.32

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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.