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Finding the Fourth Proportional to 399,944.76, 552,062.76 and 230,246.52

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Solution

The fourth proportional to 399,944.76, 552,062.76 and 230,246.52 is: 317,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,944.76 : 552,062.76 = 230,246.52 : x
  2. Step 2: Convert to fraction form
    399,944.76/552,062.76 = 230,246.52/x
  3. Step 3: Cross multiply
    399,944.76x = 552,062.76 × 230,246.52
  4. Step 4: Simplify right side
    399,944.76x = 127,110,529,311.60
  5. Step 5: Solve for x
    x = 127,110,529,311.60/399,944.76
  6. Step 6: Final answer
    x = 317,820.21

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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.