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Finding the Fourth Proportional to 329,382.60, 454,549.59 and 178,479.60

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Solution

The fourth proportional to 329,382.60, 454,549.59 and 178,479.60 is: 246,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,382.60 : 454,549.59 = 178,479.60 : x
  2. Step 2: Convert to fraction form
    329,382.60/454,549.59 = 178,479.60/x
  3. Step 3: Cross multiply
    329,382.60x = 454,549.59 × 178,479.60
  4. Step 4: Simplify right side
    329,382.60x = 81,127,829,003.36
  5. Step 5: Solve for x
    x = 81,127,829,003.36/329,382.60
  6. Step 6: Final answer
    x = 246,302.72

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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.