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Finding the Fourth Proportional to 329,548.16, 454,778.88 and 178,646.24

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Solution

The fourth proportional to 329,548.16, 454,778.88 and 178,646.24 is: 246,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,548.16 : 454,778.88 = 178,646.24 : x
  2. Step 2: Convert to fraction form
    329,548.16/454,778.88 = 178,646.24/x
  3. Step 3: Cross multiply
    329,548.16x = 454,778.88 × 178,646.24
  4. Step 4: Simplify right side
    329,548.16x = 81,244,536,943.41
  5. Step 5: Solve for x
    x = 81,244,536,943.41/329,548.16
  6. Step 6: Final answer
    x = 246,533.12

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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.