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Finding the Fourth Proportional to 702,294.12, 969,158.61 and 379,997.10

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Solution

The fourth proportional to 702,294.12, 969,158.61 and 379,997.10 is: 524,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,294.12 : 969,158.61 = 379,997.10 : x
  2. Step 2: Convert to fraction form
    702,294.12/969,158.61 = 379,997.10/x
  3. Step 3: Cross multiply
    702,294.12x = 969,158.61 × 379,997.10
  4. Step 4: Simplify right side
    702,294.12x = 368,277,461,240.03
  5. Step 5: Solve for x
    x = 368,277,461,240.03/702,294.12
  6. Step 6: Final answer
    x = 524,392.06

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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.