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Finding the Fourth Proportional to 480,691.14, 663,336.37 and 262,892.37

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Solution

The fourth proportional to 480,691.14, 663,336.37 and 262,892.37 is: 362,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,691.14 : 663,336.37 = 262,892.37 : x
  2. Step 2: Convert to fraction form
    480,691.14/663,336.37 = 262,892.37/x
  3. Step 3: Cross multiply
    480,691.14x = 663,336.37 × 262,892.37
  4. Step 4: Simplify right side
    480,691.14x = 174,386,070,416.50
  5. Step 5: Solve for x
    x = 174,386,070,416.50/480,691.14
  6. Step 6: Final answer
    x = 362,781.95

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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.