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Finding the Fourth Proportional to 622,765.87, 934,149.71 and 173,488.03

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Solution

The fourth proportional to 622,765.87, 934,149.71 and 173,488.03 is: 260,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,765.87 : 934,149.71 = 173,488.03 : x
  2. Step 2: Convert to fraction form
    622,765.87/934,149.71 = 173,488.03/x
  3. Step 3: Cross multiply
    622,765.87x = 934,149.71 × 173,488.03
  4. Step 4: Simplify right side
    622,765.87x = 162,063,791,011.32
  5. Step 5: Solve for x
    x = 162,063,791,011.32/622,765.87
  6. Step 6: Final answer
    x = 260,232.30

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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.