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Finding the Fourth Proportional to 544,082.40, 816,123.60 and 170,143.20

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Solution

The fourth proportional to 544,082.40, 816,123.60 and 170,143.20 is: 255,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,082.40 : 816,123.60 = 170,143.20 : x
  2. Step 2: Convert to fraction form
    544,082.40/816,123.60 = 170,143.20/x
  3. Step 3: Cross multiply
    544,082.40x = 816,123.60 × 170,143.20
  4. Step 4: Simplify right side
    544,082.40x = 138,857,880,899.52
  5. Step 5: Solve for x
    x = 138,857,880,899.52/544,082.40
  6. Step 6: Final answer
    x = 255,214.80

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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.