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Finding the Fourth Proportional to 454,320.72, 680,607.63 and 254,033.64

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Solution

The fourth proportional to 454,320.72, 680,607.63 and 254,033.64 is: 380,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,320.72 : 680,607.63 = 254,033.64 : x
  2. Step 2: Convert to fraction form
    454,320.72/680,607.63 = 254,033.64/x
  3. Step 3: Cross multiply
    454,320.72x = 680,607.63 × 254,033.64
  4. Step 4: Simplify right side
    454,320.72x = 172,897,233,660.67
  5. Step 5: Solve for x
    x = 172,897,233,660.67/454,320.72
  6. Step 6: Final answer
    x = 380,562.07

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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.