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Finding the Fourth Proportional to 328,670.82, 453,565.76 and 177,767.82

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Solution

The fourth proportional to 328,670.82, 453,565.76 and 177,767.82 is: 245,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,670.82 : 453,565.76 = 177,767.82 : x
  2. Step 2: Convert to fraction form
    328,670.82/453,565.76 = 177,767.82/x
  3. Step 3: Cross multiply
    328,670.82x = 453,565.76 × 177,767.82
  4. Step 4: Simplify right side
    328,670.82x = 80,629,395,493.00
  5. Step 5: Solve for x
    x = 80,629,395,493.00/328,670.82
  6. Step 6: Final answer
    x = 245,319.60

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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.