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Finding the Fourth Proportional to 360,713.63, 497,640.13 and 207,669.72

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Solution

The fourth proportional to 360,713.63, 497,640.13 and 207,669.72 is: 286,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,713.63 : 497,640.13 = 207,669.72 : x
  2. Step 2: Convert to fraction form
    360,713.63/497,640.13 = 207,669.72/x
  3. Step 3: Cross multiply
    360,713.63x = 497,640.13 × 207,669.72
  4. Step 4: Simplify right side
    360,713.63x = 103,344,785,974.56
  5. Step 5: Solve for x
    x = 103,344,785,974.56/360,713.63
  6. Step 6: Final answer
    x = 286,500.92

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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.