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Finding the Fourth Proportional to 372,119.70, 558,179.55 and 352,874.10

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Solution

The fourth proportional to 372,119.70, 558,179.55 and 352,874.10 is: 529,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,119.70 : 558,179.55 = 352,874.10 : x
  2. Step 2: Convert to fraction form
    372,119.70/558,179.55 = 352,874.10/x
  3. Step 3: Cross multiply
    372,119.70x = 558,179.55 × 352,874.10
  4. Step 4: Simplify right side
    372,119.70x = 196,967,106,344.66
  5. Step 5: Solve for x
    x = 196,967,106,344.66/372,119.70
  6. Step 6: Final answer
    x = 529,311.15

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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.