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Finding the Fourth Proportional to 449,374.12, 619,851.49 and 341,708.10

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Solution

The fourth proportional to 449,374.12, 619,851.49 and 341,708.10 is: 471,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,374.12 : 619,851.49 = 341,708.10 : x
  2. Step 2: Convert to fraction form
    449,374.12/619,851.49 = 341,708.10/x
  3. Step 3: Cross multiply
    449,374.12x = 619,851.49 × 341,708.10
  4. Step 4: Simplify right side
    449,374.12x = 211,808,274,930.07
  5. Step 5: Solve for x
    x = 211,808,274,930.07/449,374.12
  6. Step 6: Final answer
    x = 471,340.62

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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.