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Finding the Fourth Proportional to 568,282.77, 784,331.91 and 338,854.86

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Solution

The fourth proportional to 568,282.77, 784,331.91 and 338,854.86 is: 467,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,282.77 : 784,331.91 = 338,854.86 : x
  2. Step 2: Convert to fraction form
    568,282.77/784,331.91 = 338,854.86/x
  3. Step 3: Cross multiply
    568,282.77x = 784,331.91 × 338,854.86
  4. Step 4: Simplify right side
    568,282.77x = 265,774,679,556.58
  5. Step 5: Solve for x
    x = 265,774,679,556.58/568,282.77
  6. Step 6: Final answer
    x = 467,680.34

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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.