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Finding the Fourth Proportional to 542,956.33, 749,369.68 and 301,316.52

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Solution

The fourth proportional to 542,956.33, 749,369.68 and 301,316.52 is: 415,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,956.33 : 749,369.68 = 301,316.52 : x
  2. Step 2: Convert to fraction form
    542,956.33/749,369.68 = 301,316.52/x
  3. Step 3: Cross multiply
    542,956.33x = 749,369.68 × 301,316.52
  4. Step 4: Simplify right side
    542,956.33x = 225,797,466,227.96
  5. Step 5: Solve for x
    x = 225,797,466,227.96/542,956.33
  6. Step 6: Final answer
    x = 415,866.72

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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.