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Finding the Fourth Proportional to 586,245.48, 878,770.44 and 231,062.28

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Solution

The fourth proportional to 586,245.48, 878,770.44 and 231,062.28 is: 346,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,245.48 : 878,770.44 = 231,062.28 : x
  2. Step 2: Convert to fraction form
    586,245.48/878,770.44 = 231,062.28/x
  3. Step 3: Cross multiply
    586,245.48x = 878,770.44 × 231,062.28
  4. Step 4: Simplify right side
    586,245.48x = 203,050,701,463.00
  5. Step 5: Solve for x
    x = 203,050,701,463.00/586,245.48
  6. Step 6: Final answer
    x = 346,357.81

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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.