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Finding the Fourth Proportional to 541,567.20, 747,390.36 and 299,876.46

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Solution

The fourth proportional to 541,567.20, 747,390.36 and 299,876.46 is: 413,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,567.20 : 747,390.36 = 299,876.46 : x
  2. Step 2: Convert to fraction form
    541,567.20/747,390.36 = 299,876.46/x
  3. Step 3: Cross multiply
    541,567.20x = 747,390.36 × 299,876.46
  4. Step 4: Simplify right side
    541,567.20x = 224,124,775,394.93
  5. Step 5: Solve for x
    x = 224,124,775,394.93/541,567.20
  6. Step 6: Final answer
    x = 413,844.81

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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.