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Finding the Fourth Proportional to 410,755.80, 566,606.54 and 247,298.68

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Solution

The fourth proportional to 410,755.80, 566,606.54 and 247,298.68 is: 341,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,755.80 : 566,606.54 = 247,298.68 : x
  2. Step 2: Convert to fraction form
    410,755.80/566,606.54 = 247,298.68/x
  3. Step 3: Cross multiply
    410,755.80x = 566,606.54 × 247,298.68
  4. Step 4: Simplify right side
    410,755.80x = 140,121,049,421.37
  5. Step 5: Solve for x
    x = 140,121,049,421.37/410,755.80
  6. Step 6: Final answer
    x = 341,129.81

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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.