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Finding the Fourth Proportional to 543,952.38, 750,439.26 and 314,467.44

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Solution

The fourth proportional to 543,952.38, 750,439.26 and 314,467.44 is: 433,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,952.38 : 750,439.26 = 314,467.44 : x
  2. Step 2: Convert to fraction form
    543,952.38/750,439.26 = 314,467.44/x
  3. Step 3: Cross multiply
    543,952.38x = 750,439.26 × 314,467.44
  4. Step 4: Simplify right side
    543,952.38x = 235,988,712,967.69
  5. Step 5: Solve for x
    x = 235,988,712,967.69/543,952.38
  6. Step 6: Final answer
    x = 433,840.76

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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.