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Finding the Fourth Proportional to 4,098,273.90, 5,652,978.75 and 2,488,641.90

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Solution

The fourth proportional to 4,098,273.90, 5,652,978.75 and 2,488,641.90 is: 3,432,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098,273.90 : 5,652,978.75 = 2,488,641.90 : x
  2. Step 2: Convert to fraction form
    4,098,273.90/5,652,978.75 = 2,488,641.90/x
  3. Step 3: Cross multiply
    4,098,273.90x = 5,652,978.75 × 2,488,641.90
  4. Step 4: Simplify right side
    4,098,273.90x = 14,068,239,777,059.62
  5. Step 5: Solve for x
    x = 14,068,239,777,059.62/4,098,273.90
  6. Step 6: Final answer
    x = 3,432,723.17

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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.