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Finding the Fourth Proportional to 568,233.54, 784,181.12 and 310,124.61

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Solution

The fourth proportional to 568,233.54, 784,181.12 and 310,124.61 is: 427,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,233.54 : 784,181.12 = 310,124.61 : x
  2. Step 2: Convert to fraction form
    568,233.54/784,181.12 = 310,124.61/x
  3. Step 3: Cross multiply
    568,233.54x = 784,181.12 × 310,124.61
  4. Step 4: Simplify right side
    568,233.54x = 243,193,862,458.74
  5. Step 5: Solve for x
    x = 243,193,862,458.74/568,233.54
  6. Step 6: Final answer
    x = 427,982.24

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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.