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Finding the Fourth Proportional to 375,254.92, 517,855.86 and 203,176.46

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Solution

The fourth proportional to 375,254.92, 517,855.86 and 203,176.46 is: 280,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,254.92 : 517,855.86 = 203,176.46 : x
  2. Step 2: Convert to fraction form
    375,254.92/517,855.86 = 203,176.46/x
  3. Step 3: Cross multiply
    375,254.92x = 517,855.86 × 203,176.46
  4. Step 4: Simplify right side
    375,254.92x = 105,216,120,425.06
  5. Step 5: Solve for x
    x = 105,216,120,425.06/375,254.92
  6. Step 6: Final answer
    x = 280,385.72

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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.