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Finding the Fourth Proportional to 449,101.56, 619,864.25 and 296,167.39

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Solution

The fourth proportional to 449,101.56, 619,864.25 and 296,167.39 is: 408,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,101.56 : 619,864.25 = 296,167.39 : x
  2. Step 2: Convert to fraction form
    449,101.56/619,864.25 = 296,167.39/x
  3. Step 3: Cross multiply
    449,101.56x = 619,864.25 × 296,167.39
  4. Step 4: Simplify right side
    449,101.56x = 183,583,574,046.31
  5. Step 5: Solve for x
    x = 183,583,574,046.31/449,101.56
  6. Step 6: Final answer
    x = 408,779.64

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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.