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Finding the Fourth Proportional to 477,398.15, 658,826.79 and 273,488.48

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Solution

The fourth proportional to 477,398.15, 658,826.79 and 273,488.48 is: 377,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,398.15 : 658,826.79 = 273,488.48 : x
  2. Step 2: Convert to fraction form
    477,398.15/658,826.79 = 273,488.48/x
  3. Step 3: Cross multiply
    477,398.15x = 658,826.79 × 273,488.48
  4. Step 4: Simplify right side
    477,398.15x = 180,181,537,380.38
  5. Step 5: Solve for x
    x = 180,181,537,380.38/477,398.15
  6. Step 6: Final answer
    x = 377,424.04

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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.