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Finding the Fourth Proportional to 452,516.25, 678,763.84 and 227,816.31

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Solution

The fourth proportional to 452,516.25, 678,763.84 and 227,816.31 is: 341,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,516.25 : 678,763.84 = 227,816.31 : x
  2. Step 2: Convert to fraction form
    452,516.25/678,763.84 = 227,816.31/x
  3. Step 3: Cross multiply
    452,516.25x = 678,763.84 × 227,816.31
  4. Step 4: Simplify right side
    452,516.25x = 154,633,473,390.23
  5. Step 5: Solve for x
    x = 154,633,473,390.23/452,516.25
  6. Step 6: Final answer
    x = 341,719.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.