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Finding the Fourth Proportional to 329,314.16, 454,454.30 and 178,411.16

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Solution

The fourth proportional to 329,314.16, 454,454.30 and 178,411.16 is: 246,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,314.16 : 454,454.30 = 178,411.16 : x
  2. Step 2: Convert to fraction form
    329,314.16/454,454.30 = 178,411.16/x
  3. Step 3: Cross multiply
    329,314.16x = 454,454.30 × 178,411.16
  4. Step 4: Simplify right side
    329,314.16x = 81,079,718,829.99
  5. Step 5: Solve for x
    x = 81,079,718,829.99/329,314.16
  6. Step 6: Final answer
    x = 246,207.81

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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.