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Finding the Fourth Proportional to 306,879.59, 460,319.46 and 93,648.66

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Solution

The fourth proportional to 306,879.59, 460,319.46 and 93,648.66 is: 140,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,879.59 : 460,319.46 = 93,648.66 : x
  2. Step 2: Convert to fraction form
    306,879.59/460,319.46 = 93,648.66/x
  3. Step 3: Cross multiply
    306,879.59x = 460,319.46 × 93,648.66
  4. Step 4: Simplify right side
    306,879.59x = 43,108,298,523.54
  5. Step 5: Solve for x
    x = 43,108,298,523.54/306,879.59
  6. Step 6: Final answer
    x = 140,473.01

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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.