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Finding the Fourth Proportional to 449,376.60, 619,854.92 and 341,710.60

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Solution

The fourth proportional to 449,376.60, 619,854.92 and 341,710.60 is: 471,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,376.60 : 619,854.92 = 341,710.60 : x
  2. Step 2: Convert to fraction form
    449,376.60/619,854.92 = 341,710.60/x
  3. Step 3: Cross multiply
    449,376.60x = 619,854.92 × 341,710.60
  4. Step 4: Simplify right side
    449,376.60x = 211,810,996,626.15
  5. Step 5: Solve for x
    x = 211,810,996,626.15/449,376.60
  6. Step 6: Final answer
    x = 471,344.07

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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.