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Finding the Fourth Proportional to 329,416.21, 454,594.86 and 178,513.21

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Solution

The fourth proportional to 329,416.21, 454,594.86 and 178,513.21 is: 246,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.21 : 454,594.86 = 178,513.21 : x
  2. Step 2: Convert to fraction form
    329,416.21/454,594.86 = 178,513.21/x
  3. Step 3: Cross multiply
    329,416.21x = 454,594.86 × 178,513.21
  4. Step 4: Simplify right side
    329,416.21x = 81,151,187,708.10
  5. Step 5: Solve for x
    x = 81,151,187,708.10/329,416.21
  6. Step 6: Final answer
    x = 246,348.50

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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.