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Finding the Fourth Proportional to 543,291.72, 749,707.02 and 301,562.52

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Solution

The fourth proportional to 543,291.72, 749,707.02 and 301,562.52 is: 416,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,291.72 : 749,707.02 = 301,562.52 : x
  2. Step 2: Convert to fraction form
    543,291.72/749,707.02 = 301,562.52/x
  3. Step 3: Cross multiply
    543,291.72x = 749,707.02 × 301,562.52
  4. Step 4: Simplify right side
    543,291.72x = 226,083,538,212.89
  5. Step 5: Solve for x
    x = 226,083,538,212.89/543,291.72
  6. Step 6: Final answer
    x = 416,136.54

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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.