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Finding the Fourth Proportional to 375,336.73, 517,966.10 and 203,254.77

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Solution

The fourth proportional to 375,336.73, 517,966.10 and 203,254.77 is: 280,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,336.73 : 517,966.10 = 203,254.77 : x
  2. Step 2: Convert to fraction form
    375,336.73/517,966.10 = 203,254.77/x
  3. Step 3: Cross multiply
    375,336.73x = 517,966.10 × 203,254.77
  4. Step 4: Simplify right side
    375,336.73x = 105,279,081,449.40
  5. Step 5: Solve for x
    x = 105,279,081,449.40/375,336.73
  6. Step 6: Final answer
    x = 280,492.35

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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.