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Finding the Fourth Proportional to 675,778.96, 1,013,551.71 and 202,337.20

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Solution

The fourth proportional to 675,778.96, 1,013,551.71 and 202,337.20 is: 303,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,778.96 : 1,013,551.71 = 202,337.20 : x
  2. Step 2: Convert to fraction form
    675,778.96/1,013,551.71 = 202,337.20/x
  3. Step 3: Cross multiply
    675,778.96x = 1,013,551.71 × 202,337.20
  4. Step 4: Simplify right side
    675,778.96x = 205,079,215,056.61
  5. Step 5: Solve for x
    x = 205,079,215,056.61/675,778.96
  6. Step 6: Final answer
    x = 303,470.85

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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.