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Finding the Fourth Proportional to 322,688.16, 445,320.48 and 177,500.08

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Solution

The fourth proportional to 322,688.16, 445,320.48 and 177,500.08 is: 244,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,688.16 : 445,320.48 = 177,500.08 : x
  2. Step 2: Convert to fraction form
    322,688.16/445,320.48 = 177,500.08/x
  3. Step 3: Cross multiply
    322,688.16x = 445,320.48 × 177,500.08
  4. Step 4: Simplify right side
    322,688.16x = 79,044,420,825.64
  5. Step 5: Solve for x
    x = 79,044,420,825.64/322,688.16
  6. Step 6: Final answer
    x = 244,956.06

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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.