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Finding the Fourth Proportional to 577,645.30, 866,007.15 and 244,947.70

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Solution

The fourth proportional to 577,645.30, 866,007.15 and 244,947.70 is: 367,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,645.30 : 866,007.15 = 244,947.70 : x
  2. Step 2: Convert to fraction form
    577,645.30/866,007.15 = 244,947.70/x
  3. Step 3: Cross multiply
    577,645.30x = 866,007.15 × 244,947.70
  4. Step 4: Simplify right side
    577,645.30x = 212,126,459,576.06
  5. Step 5: Solve for x
    x = 212,126,459,576.06/577,645.30
  6. Step 6: Final answer
    x = 367,226.15

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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.