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Finding the Fourth Proportional to 568,262.52, 784,179.36 and 313,610.40

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Solution

The fourth proportional to 568,262.52, 784,179.36 and 313,610.40 is: 432,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,262.52 : 784,179.36 = 313,610.40 : x
  2. Step 2: Convert to fraction form
    568,262.52/784,179.36 = 313,610.40/x
  3. Step 3: Cross multiply
    568,262.52x = 784,179.36 × 313,610.40
  4. Step 4: Simplify right side
    568,262.52x = 245,926,802,761.34
  5. Step 5: Solve for x
    x = 245,926,802,761.34/568,262.52
  6. Step 6: Final answer
    x = 432,769.70

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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.