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Finding the Fourth Proportional to 329,341.16, 454,490.84 and 178,438.16

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Solution

The fourth proportional to 329,341.16, 454,490.84 and 178,438.16 is: 246,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,341.16 : 454,490.84 = 178,438.16 : x
  2. Step 2: Convert to fraction form
    329,341.16/454,490.84 = 178,438.16/x
  3. Step 3: Cross multiply
    329,341.16x = 454,490.84 × 178,438.16
  4. Step 4: Simplify right side
    329,341.16x = 81,098,509,226.45
  5. Step 5: Solve for x
    x = 81,098,509,226.45/329,341.16
  6. Step 6: Final answer
    x = 246,244.68

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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.