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Finding the Fourth Proportional to 550,737.40, 826,126.32 and 151,409.44

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Solution

The fourth proportional to 550,737.40, 826,126.32 and 151,409.44 is: 227,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,737.40 : 826,126.32 = 151,409.44 : x
  2. Step 2: Convert to fraction form
    550,737.40/826,126.32 = 151,409.44/x
  3. Step 3: Cross multiply
    550,737.40x = 826,126.32 × 151,409.44
  4. Step 4: Simplify right side
    550,737.40x = 125,083,323,480.46
  5. Step 5: Solve for x
    x = 125,083,323,480.46/550,737.40
  6. Step 6: Final answer
    x = 227,119.72

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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.