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Finding the Fourth Proportional to 568,367.88, 784,347.74 and 313,719.13

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Solution

The fourth proportional to 568,367.88, 784,347.74 and 313,719.13 is: 432,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,367.88 : 784,347.74 = 313,719.13 : x
  2. Step 2: Convert to fraction form
    568,367.88/784,347.74 = 313,719.13/x
  3. Step 3: Cross multiply
    568,367.88x = 784,347.74 × 313,719.13
  4. Step 4: Simplify right side
    568,367.88x = 246,064,890,610.27
  5. Step 5: Solve for x
    x = 246,064,890,610.27/568,367.88
  6. Step 6: Final answer
    x = 432,932.44

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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.