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Finding the Fourth Proportional to 543,617.76, 750,124.57 and 301,867.46

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Solution

The fourth proportional to 543,617.76, 750,124.57 and 301,867.46 is: 416,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,617.76 : 750,124.57 = 301,867.46 : x
  2. Step 2: Convert to fraction form
    543,617.76/750,124.57 = 301,867.46/x
  3. Step 3: Cross multiply
    543,617.76x = 750,124.57 × 301,867.46
  4. Step 4: Simplify right side
    543,617.76x = 226,438,198,352.17
  5. Step 5: Solve for x
    x = 226,438,198,352.17/543,617.76
  6. Step 6: Final answer
    x = 416,539.37

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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.