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Finding the Fourth Proportional to 360,398.66, 540,073.11 and 173,191.46

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Solution

The fourth proportional to 360,398.66, 540,073.11 and 173,191.46 is: 259,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,398.66 : 540,073.11 = 173,191.46 : x
  2. Step 2: Convert to fraction form
    360,398.66/540,073.11 = 173,191.46/x
  3. Step 3: Cross multiply
    360,398.66x = 540,073.11 × 173,191.46
  4. Step 4: Simplify right side
    360,398.66x = 93,536,050,427.64
  5. Step 5: Solve for x
    x = 93,536,050,427.64/360,398.66
  6. Step 6: Final answer
    x = 259,534.96

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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.