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Finding the Fourth Proportional to 568,041.40, 852,062.10 and 287,522.20

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Solution

The fourth proportional to 568,041.40, 852,062.10 and 287,522.20 is: 431,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,041.40 : 852,062.10 = 287,522.20 : x
  2. Step 2: Convert to fraction form
    568,041.40/852,062.10 = 287,522.20/x
  3. Step 3: Cross multiply
    568,041.40x = 852,062.10 × 287,522.20
  4. Step 4: Simplify right side
    568,041.40x = 244,986,769,528.62
  5. Step 5: Solve for x
    x = 244,986,769,528.62/568,041.40
  6. Step 6: Final answer
    x = 431,283.30

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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.