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Finding the Fourth Proportional to 375,343.68, 517,954.88 and 205,545.04

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Solution

The fourth proportional to 375,343.68, 517,954.88 and 205,545.04 is: 283,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,343.68 : 517,954.88 = 205,545.04 : x
  2. Step 2: Convert to fraction form
    375,343.68/517,954.88 = 205,545.04/x
  3. Step 3: Cross multiply
    375,343.68x = 517,954.88 × 205,545.04
  4. Step 4: Simplify right side
    375,343.68x = 106,463,056,527.80
  5. Step 5: Solve for x
    x = 106,463,056,527.80/375,343.68
  6. Step 6: Final answer
    x = 283,641.53

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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.