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Finding the Fourth Proportional to 375,322.38, 517,952.40 and 205,556.52

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Solution

The fourth proportional to 375,322.38, 517,952.40 and 205,556.52 is: 283,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,322.38 : 517,952.40 = 205,556.52 : x
  2. Step 2: Convert to fraction form
    375,322.38/517,952.40 = 205,556.52/x
  3. Step 3: Cross multiply
    375,322.38x = 517,952.40 × 205,556.52
  4. Step 4: Simplify right side
    375,322.38x = 106,468,492,869.65
  5. Step 5: Solve for x
    x = 106,468,492,869.65/375,322.38
  6. Step 6: Final answer
    x = 283,672.11

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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.