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Finding the Fourth Proportional to 329,342.16, 454,492.22 and 178,439.16

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Solution

The fourth proportional to 329,342.16, 454,492.22 and 178,439.16 is: 246,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,342.16 : 454,492.22 = 178,439.16 : x
  2. Step 2: Convert to fraction form
    329,342.16/454,492.22 = 178,439.16/x
  3. Step 3: Cross multiply
    329,342.16x = 454,492.22 × 178,439.16
  4. Step 4: Simplify right side
    329,342.16x = 81,099,209,963.34
  5. Step 5: Solve for x
    x = 81,099,209,963.34/329,342.16
  6. Step 6: Final answer
    x = 246,246.06

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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.