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Finding the Fourth Proportional to 405,907.48, 560,377.56 and 244,803.52

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Solution

The fourth proportional to 405,907.48, 560,377.56 and 244,803.52 is: 337,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,907.48 : 560,377.56 = 244,803.52 : x
  2. Step 2: Convert to fraction form
    405,907.48/560,377.56 = 244,803.52/x
  3. Step 3: Cross multiply
    405,907.48x = 560,377.56 × 244,803.52
  4. Step 4: Simplify right side
    405,907.48x = 137,182,399,217.01
  5. Step 5: Solve for x
    x = 137,182,399,217.01/405,907.48
  6. Step 6: Final answer
    x = 337,964.70

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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.