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Finding the Fourth Proportional to 486,580.32, 730,026.60 and 233,879.15

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Solution

The fourth proportional to 486,580.32, 730,026.60 and 233,879.15 is: 350,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,580.32 : 730,026.60 = 233,879.15 : x
  2. Step 2: Convert to fraction form
    486,580.32/730,026.60 = 233,879.15/x
  3. Step 3: Cross multiply
    486,580.32x = 730,026.60 × 233,879.15
  4. Step 4: Simplify right side
    486,580.32x = 170,737,997,035.26
  5. Step 5: Solve for x
    x = 170,737,997,035.26/486,580.32
  6. Step 6: Final answer
    x = 350,893.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.