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Finding the Fourth Proportional to 329,416.92, 454,595.70 and 178,513.92

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Solution

The fourth proportional to 329,416.92, 454,595.70 and 178,513.92 is: 246,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.92 : 454,595.70 = 178,513.92 : x
  2. Step 2: Convert to fraction form
    329,416.92/454,595.70 = 178,513.92/x
  3. Step 3: Cross multiply
    329,416.92x = 454,595.70 × 178,513.92
  4. Step 4: Simplify right side
    329,416.92x = 81,151,660,422.14
  5. Step 5: Solve for x
    x = 81,151,660,422.14/329,416.92
  6. Step 6: Final answer
    x = 246,349.40

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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.