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Finding the Fourth Proportional to 542,842.34, 749,061.96 and 301,064.33

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Solution

The fourth proportional to 542,842.34, 749,061.96 and 301,064.33 is: 415,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,842.34 : 749,061.96 = 301,064.33 : x
  2. Step 2: Convert to fraction form
    542,842.34/749,061.96 = 301,064.33/x
  3. Step 3: Cross multiply
    542,842.34x = 749,061.96 × 301,064.33
  4. Step 4: Simplify right side
    542,842.34x = 225,515,833,370.58
  5. Step 5: Solve for x
    x = 225,515,833,370.58/542,842.34
  6. Step 6: Final answer
    x = 415,435.24

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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.