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Finding the Fourth Proportional to 543,275.66, 749,754.42 and 301,562.27

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Solution

The fourth proportional to 543,275.66, 749,754.42 and 301,562.27 is: 416,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,275.66 : 749,754.42 = 301,562.27 : x
  2. Step 2: Convert to fraction form
    543,275.66/749,754.42 = 301,562.27/x
  3. Step 3: Cross multiply
    543,275.66x = 749,754.42 × 301,562.27
  4. Step 4: Simplify right side
    543,275.66x = 226,097,641,088.96
  5. Step 5: Solve for x
    x = 226,097,641,088.96/543,275.66
  6. Step 6: Final answer
    x = 416,174.81

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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.