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Finding the Fourth Proportional to 568,219.16, 784,147.02 and 310,098.14

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Solution

The fourth proportional to 568,219.16, 784,147.02 and 310,098.14 is: 427,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,219.16 : 784,147.02 = 310,098.14 : x
  2. Step 2: Convert to fraction form
    568,219.16/784,147.02 = 310,098.14/x
  3. Step 3: Cross multiply
    568,219.16x = 784,147.02 × 310,098.14
  4. Step 4: Simplify right side
    568,219.16x = 243,162,532,388.54
  5. Step 5: Solve for x
    x = 243,162,532,388.54/568,219.16
  6. Step 6: Final answer
    x = 427,937.93

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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.