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Finding the Fourth Proportional to 564,689.88, 847,119.87 and 165,280.50

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Solution

The fourth proportional to 564,689.88, 847,119.87 and 165,280.50 is: 247,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,689.88 : 847,119.87 = 165,280.50 : x
  2. Step 2: Convert to fraction form
    564,689.88/847,119.87 = 165,280.50/x
  3. Step 3: Cross multiply
    564,689.88x = 847,119.87 × 165,280.50
  4. Step 4: Simplify right side
    564,689.88x = 140,012,395,673.54
  5. Step 5: Solve for x
    x = 140,012,395,673.54/564,689.88
  6. Step 6: Final answer
    x = 247,945.64

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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.