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Finding the Fourth Proportional to 247,245.40, 370,868.10 and 229,530.70

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Solution

The fourth proportional to 247,245.40, 370,868.10 and 229,530.70 is: 344,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,245.40 : 370,868.10 = 229,530.70 : x
  2. Step 2: Convert to fraction form
    247,245.40/370,868.10 = 229,530.70/x
  3. Step 3: Cross multiply
    247,245.40x = 370,868.10 × 229,530.70
  4. Step 4: Simplify right side
    247,245.40x = 85,125,614,600.67
  5. Step 5: Solve for x
    x = 85,125,614,600.67/247,245.40
  6. Step 6: Final answer
    x = 344,296.05

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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.