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Finding the Fourth Proportional to 636,516.63, 954,746.15 and 187,252.16

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Solution

The fourth proportional to 636,516.63, 954,746.15 and 187,252.16 is: 280,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,516.63 : 954,746.15 = 187,252.16 : x
  2. Step 2: Convert to fraction form
    636,516.63/954,746.15 = 187,252.16/x
  3. Step 3: Cross multiply
    636,516.63x = 954,746.15 × 187,252.16
  4. Step 4: Simplify right side
    636,516.63x = 178,778,273,129.19
  5. Step 5: Solve for x
    x = 178,778,273,129.19/636,516.63
  6. Step 6: Final answer
    x = 280,869.76

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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.