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Finding the Fourth Proportional to 329,350.51, 454,505.34 and 178,447.51

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Solution

The fourth proportional to 329,350.51, 454,505.34 and 178,447.51 is: 246,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,350.51 : 454,505.34 = 178,447.51 : x
  2. Step 2: Convert to fraction form
    329,350.51/454,505.34 = 178,447.51/x
  3. Step 3: Cross multiply
    329,350.51x = 454,505.34 × 178,447.51
  4. Step 4: Simplify right side
    329,350.51x = 81,105,346,204.70
  5. Step 5: Solve for x
    x = 81,105,346,204.70/329,350.51
  6. Step 6: Final answer
    x = 246,258.45

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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.