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Finding the Fourth Proportional to 405,844.98, 560,291.31 and 244,740.84

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Solution

The fourth proportional to 405,844.98, 560,291.31 and 244,740.84 is: 337,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,844.98 : 560,291.31 = 244,740.84 : x
  2. Step 2: Convert to fraction form
    405,844.98/560,291.31 = 244,740.84/x
  3. Step 3: Cross multiply
    405,844.98x = 560,291.31 × 244,740.84
  4. Step 4: Simplify right side
    405,844.98x = 137,126,165,854.10
  5. Step 5: Solve for x
    x = 137,126,165,854.10/405,844.98
  6. Step 6: Final answer
    x = 337,878.19

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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.