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Finding the Fourth Proportional to 452,177.64, 678,266.46 and 265,087.08

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Solution

The fourth proportional to 452,177.64, 678,266.46 and 265,087.08 is: 397,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,177.64 : 678,266.46 = 265,087.08 : x
  2. Step 2: Convert to fraction form
    452,177.64/678,266.46 = 265,087.08/x
  3. Step 3: Cross multiply
    452,177.64x = 678,266.46 × 265,087.08
  4. Step 4: Simplify right side
    452,177.64x = 179,799,675,343.34
  5. Step 5: Solve for x
    x = 179,799,675,343.34/452,177.64
  6. Step 6: Final answer
    x = 397,630.62

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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.