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Finding the Fourth Proportional to 568,481.06, 784,483.30 and 313,826.78

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Solution

The fourth proportional to 568,481.06, 784,483.30 and 313,826.78 is: 433,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,481.06 : 784,483.30 = 313,826.78 : x
  2. Step 2: Convert to fraction form
    568,481.06/784,483.30 = 313,826.78/x
  3. Step 3: Cross multiply
    568,481.06x = 784,483.30 × 313,826.78
  4. Step 4: Simplify right side
    568,481.06x = 246,191,868,002.77
  5. Step 5: Solve for x
    x = 246,191,868,002.77/568,481.06
  6. Step 6: Final answer
    x = 433,069.60

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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.