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Finding the Fourth Proportional to 426,761.73, 588,937.37 and 235,779.53

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Solution

The fourth proportional to 426,761.73, 588,937.37 and 235,779.53 is: 325,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,761.73 : 588,937.37 = 235,779.53 : x
  2. Step 2: Convert to fraction form
    426,761.73/588,937.37 = 235,779.53/x
  3. Step 3: Cross multiply
    426,761.73x = 588,937.37 × 235,779.53
  4. Step 4: Simplify right side
    426,761.73x = 138,859,372,174.45
  5. Step 5: Solve for x
    x = 138,859,372,174.45/426,761.73
  6. Step 6: Final answer
    x = 325,379.16

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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.