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Finding the Fourth Proportional to 568,460.32, 784,454.66 and 313,806.04

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Solution

The fourth proportional to 568,460.32, 784,454.66 and 313,806.04 is: 433,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,460.32 : 784,454.66 = 313,806.04 : x
  2. Step 2: Convert to fraction form
    568,460.32/784,454.66 = 313,806.04/x
  3. Step 3: Cross multiply
    568,460.32x = 784,454.66 × 313,806.04
  4. Step 4: Simplify right side
    568,460.32x = 246,166,610,414.15
  5. Step 5: Solve for x
    x = 246,166,610,414.15/568,460.32
  6. Step 6: Final answer
    x = 433,040.97

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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.