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Finding the Fourth Proportional to 449,854.60, 674,004.30 and 292,001.80

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Solution

The fourth proportional to 449,854.60, 674,004.30 and 292,001.80 is: 437,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,854.60 : 674,004.30 = 292,001.80 : x
  2. Step 2: Convert to fraction form
    449,854.60/674,004.30 = 292,001.80/x
  3. Step 3: Cross multiply
    449,854.60x = 674,004.30 × 292,001.80
  4. Step 4: Simplify right side
    449,854.60x = 196,810,468,807.74
  5. Step 5: Solve for x
    x = 196,810,468,807.74/449,854.60
  6. Step 6: Final answer
    x = 437,497.96

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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.