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Finding the Fourth Proportional to 627,437.97, 940,740.89 and 228,031.29

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Solution

The fourth proportional to 627,437.97, 940,740.89 and 228,031.29 is: 341,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,437.97 : 940,740.89 = 228,031.29 : x
  2. Step 2: Convert to fraction form
    627,437.97/940,740.89 = 228,031.29/x
  3. Step 3: Cross multiply
    627,437.97x = 940,740.89 × 228,031.29
  4. Step 4: Simplify right side
    627,437.97x = 214,518,357,562.29
  5. Step 5: Solve for x
    x = 214,518,357,562.29/627,437.97
  6. Step 6: Final answer
    x = 341,895.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.