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Finding the Fourth Proportional to 375,545.17, 518,251.63 and 203,467.41

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Solution

The fourth proportional to 375,545.17, 518,251.63 and 203,467.41 is: 280,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,545.17 : 518,251.63 = 203,467.41 : x
  2. Step 2: Convert to fraction form
    375,545.17/518,251.63 = 203,467.41/x
  3. Step 3: Cross multiply
    375,545.17x = 518,251.63 × 203,467.41
  4. Step 4: Simplify right side
    375,545.17x = 105,447,316,884.38
  5. Step 5: Solve for x
    x = 105,447,316,884.38/375,545.17
  6. Step 6: Final answer
    x = 280,784.64

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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.