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Finding the Fourth Proportional to 636,233.79, 954,342.28 and 156,465.73

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Solution

The fourth proportional to 636,233.79, 954,342.28 and 156,465.73 is: 234,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,233.79 : 954,342.28 = 156,465.73 : x
  2. Step 2: Convert to fraction form
    636,233.79/954,342.28 = 156,465.73/x
  3. Step 3: Cross multiply
    636,233.79x = 954,342.28 × 156,465.73
  4. Step 4: Simplify right side
    636,233.79x = 149,321,861,510.06
  5. Step 5: Solve for x
    x = 149,321,861,510.06/636,233.79
  6. Step 6: Final answer
    x = 234,696.53

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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.