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Finding the Fourth Proportional to 546,999.12, 754,957.60 and 326,250.57

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Solution

The fourth proportional to 546,999.12, 754,957.60 and 326,250.57 is: 450,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,999.12 : 754,957.60 = 326,250.57 : x
  2. Step 2: Convert to fraction form
    546,999.12/754,957.60 = 326,250.57/x
  3. Step 3: Cross multiply
    546,999.12x = 754,957.60 × 326,250.57
  4. Step 4: Simplify right side
    546,999.12x = 246,305,347,325.83
  5. Step 5: Solve for x
    x = 246,305,347,325.83/546,999.12
  6. Step 6: Final answer
    x = 450,284.72

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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.