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Finding the Fourth Proportional to 477,397.15, 658,825.41 and 273,487.48

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Solution

The fourth proportional to 477,397.15, 658,825.41 and 273,487.48 is: 377,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,397.15 : 658,825.41 = 273,487.48 : x
  2. Step 2: Convert to fraction form
    477,397.15/658,825.41 = 273,487.48/x
  3. Step 3: Cross multiply
    477,397.15x = 658,825.41 × 273,487.48
  4. Step 4: Simplify right side
    477,397.15x = 180,180,501,140.87
  5. Step 5: Solve for x
    x = 180,180,501,140.87/477,397.15
  6. Step 6: Final answer
    x = 377,422.66

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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.