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Finding the Fourth Proportional to 454,270.32, 680,888.88 and 276,385.32

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Solution

The fourth proportional to 454,270.32, 680,888.88 and 276,385.32 is: 414,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,270.32 : 680,888.88 = 276,385.32 : x
  2. Step 2: Convert to fraction form
    454,270.32/680,888.88 = 276,385.32/x
  3. Step 3: Cross multiply
    454,270.32x = 680,888.88 × 276,385.32
  4. Step 4: Simplify right side
    454,270.32x = 188,187,690,983.24
  5. Step 5: Solve for x
    x = 188,187,690,983.24/454,270.32
  6. Step 6: Final answer
    x = 414,263.67

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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.