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Finding the Fourth Proportional to 375,099.68, 517,637.76 and 205,333.76

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Solution

The fourth proportional to 375,099.68, 517,637.76 and 205,333.76 is: 283,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,099.68 : 517,637.76 = 205,333.76 : x
  2. Step 2: Convert to fraction form
    375,099.68/517,637.76 = 205,333.76/x
  3. Step 3: Cross multiply
    375,099.68x = 517,637.76 × 205,333.76
  4. Step 4: Simplify right side
    375,099.68x = 106,288,507,578.78
  5. Step 5: Solve for x
    x = 106,288,507,578.78/375,099.68
  6. Step 6: Final answer
    x = 283,360.70

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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.