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Finding the Fourth Proportional to 636,686.21, 954,925.47 and 187,301.97

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Solution

The fourth proportional to 636,686.21, 954,925.47 and 187,301.97 is: 280,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,686.21 : 954,925.47 = 187,301.97 : x
  2. Step 2: Convert to fraction form
    636,686.21/954,925.47 = 187,301.97/x
  3. Step 3: Cross multiply
    636,686.21x = 954,925.47 × 187,301.97
  4. Step 4: Simplify right side
    636,686.21x = 178,859,421,734.18
  5. Step 5: Solve for x
    x = 178,859,421,734.18/636,686.21
  6. Step 6: Final answer
    x = 280,922.41

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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.