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Finding the Fourth Proportional to 329,007.84, 454,039.56 and 199,902.48

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Solution

The fourth proportional to 329,007.84, 454,039.56 and 199,902.48 is: 275,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,007.84 : 454,039.56 = 199,902.48 : x
  2. Step 2: Convert to fraction form
    329,007.84/454,039.56 = 199,902.48/x
  3. Step 3: Cross multiply
    329,007.84x = 454,039.56 × 199,902.48
  4. Step 4: Simplify right side
    329,007.84x = 90,763,634,062.11
  5. Step 5: Solve for x
    x = 90,763,634,062.11/329,007.84
  6. Step 6: Final answer
    x = 275,870.73

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1.5x scale

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.