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Finding the Fourth Proportional to 541,877.80, 747,717.30 and 300,100.68

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Solution

The fourth proportional to 541,877.80, 747,717.30 and 300,100.68 is: 414,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,877.80 : 747,717.30 = 300,100.68 : x
  2. Step 2: Convert to fraction form
    541,877.80/747,717.30 = 300,100.68/x
  3. Step 3: Cross multiply
    541,877.80x = 747,717.30 × 300,100.68
  4. Step 4: Simplify right side
    541,877.80x = 224,390,470,177.76
  5. Step 5: Solve for x
    x = 224,390,470,177.76/541,877.80
  6. Step 6: Final answer
    x = 414,097.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.