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Finding the Fourth Proportional to 366,781.88, 506,160.36 and 213,925.61

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Solution

The fourth proportional to 366,781.88, 506,160.36 and 213,925.61 is: 295,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,781.88 : 506,160.36 = 213,925.61 : x
  2. Step 2: Convert to fraction form
    366,781.88/506,160.36 = 213,925.61/x
  3. Step 3: Cross multiply
    366,781.88x = 506,160.36 × 213,925.61
  4. Step 4: Simplify right side
    366,781.88x = 108,280,661,240.02
  5. Step 5: Solve for x
    x = 108,280,661,240.02/366,781.88
  6. Step 6: Final answer
    x = 295,218.14

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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.