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Finding the Fourth Proportional to 546,779.52, 754,553.40 and 305,062.26

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Solution

The fourth proportional to 546,779.52, 754,553.40 and 305,062.26 is: 420,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,779.52 : 754,553.40 = 305,062.26 : x
  2. Step 2: Convert to fraction form
    546,779.52/754,553.40 = 305,062.26/x
  3. Step 3: Cross multiply
    546,779.52x = 754,553.40 × 305,062.26
  4. Step 4: Simplify right side
    546,779.52x = 230,185,765,494.68
  5. Step 5: Solve for x
    x = 230,185,765,494.68/546,779.52
  6. Step 6: Final answer
    x = 420,984.61

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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.