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Finding the Fourth Proportional to 504,059.60, 756,089.40 and 282,414.80

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Solution

The fourth proportional to 504,059.60, 756,089.40 and 282,414.80 is: 423,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,059.60 : 756,089.40 = 282,414.80 : x
  2. Step 2: Convert to fraction form
    504,059.60/756,089.40 = 282,414.80/x
  3. Step 3: Cross multiply
    504,059.60x = 756,089.40 × 282,414.80
  4. Step 4: Simplify right side
    504,059.60x = 213,530,836,683.12
  5. Step 5: Solve for x
    x = 213,530,836,683.12/504,059.60
  6. Step 6: Final answer
    x = 423,622.20

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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.