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Finding the Fourth Proportional to 541,407.46, 812,108.98 and 136,600.61

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Solution

The fourth proportional to 541,407.46, 812,108.98 and 136,600.61 is: 204,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,407.46 : 812,108.98 = 136,600.61 : x
  2. Step 2: Convert to fraction form
    541,407.46/812,108.98 = 136,600.61/x
  3. Step 3: Cross multiply
    541,407.46x = 812,108.98 × 136,600.61
  4. Step 4: Simplify right side
    541,407.46x = 110,934,583,743.25
  5. Step 5: Solve for x
    x = 110,934,583,743.25/541,407.46
  6. Step 6: Final answer
    x = 204,900.36

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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.