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Finding the Fourth Proportional to 568,739.19, 784,499.66 and 432,474.40

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Solution

The fourth proportional to 568,739.19, 784,499.66 and 432,474.40 is: 596,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,739.19 : 784,499.66 = 432,474.40 : x
  2. Step 2: Convert to fraction form
    568,739.19/784,499.66 = 432,474.40/x
  3. Step 3: Cross multiply
    568,739.19x = 784,499.66 × 432,474.40
  4. Step 4: Simplify right side
    568,739.19x = 339,276,019,758.70
  5. Step 5: Solve for x
    x = 339,276,019,758.70/568,739.19
  6. Step 6: Final answer
    x = 596,540.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.