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Finding the Fourth Proportional to 449,367.48, 619,842.38 and 341,701.47

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Solution

The fourth proportional to 449,367.48, 619,842.38 and 341,701.47 is: 471,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,367.48 : 619,842.38 = 341,701.47 : x
  2. Step 2: Convert to fraction form
    449,367.48/619,842.38 = 341,701.47/x
  3. Step 3: Cross multiply
    449,367.48x = 619,842.38 × 341,701.47
  4. Step 4: Simplify right side
    449,367.48x = 211,801,050,705.79
  5. Step 5: Solve for x
    x = 211,801,050,705.79/449,367.48
  6. Step 6: Final answer
    x = 471,331.51

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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.