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Finding the Fourth Proportional to 702,170.58, 969,002.42 and 379,887.62

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Solution

The fourth proportional to 702,170.58, 969,002.42 and 379,887.62 is: 524,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,170.58 : 969,002.42 = 379,887.62 : x
  2. Step 2: Convert to fraction form
    702,170.58/969,002.42 = 379,887.62/x
  3. Step 3: Cross multiply
    702,170.58x = 969,002.42 × 379,887.62
  4. Step 4: Simplify right side
    702,170.58x = 368,112,016,363.59
  5. Step 5: Solve for x
    x = 368,112,016,363.59/702,170.58
  6. Step 6: Final answer
    x = 524,248.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.