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Finding the Fourth Proportional to 376,275.98, 564,408.23 and 260,763.90

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Solution

The fourth proportional to 376,275.98, 564,408.23 and 260,763.90 is: 391,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,275.98 : 564,408.23 = 260,763.90 : x
  2. Step 2: Convert to fraction form
    376,275.98/564,408.23 = 260,763.90/x
  3. Step 3: Cross multiply
    376,275.98x = 564,408.23 × 260,763.90
  4. Step 4: Simplify right side
    376,275.98x = 147,177,291,246.90
  5. Step 5: Solve for x
    x = 147,177,291,246.90/376,275.98
  6. Step 6: Final answer
    x = 391,141.88

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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.