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Finding the Fourth Proportional to 543,382.16, 749,833.68 and 301,650.56

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Solution

The fourth proportional to 543,382.16, 749,833.68 and 301,650.56 is: 416,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,382.16 : 749,833.68 = 301,650.56 : x
  2. Step 2: Convert to fraction form
    543,382.16/749,833.68 = 301,650.56/x
  3. Step 3: Cross multiply
    543,382.16x = 749,833.68 × 301,650.56
  4. Step 4: Simplify right side
    543,382.16x = 226,187,749,478.86
  5. Step 5: Solve for x
    x = 226,187,749,478.86/543,382.16
  6. Step 6: Final answer
    x = 416,259.06

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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.