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Finding the Fourth Proportional to 568,325.60, 784,287.76 and 313,675.04

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Solution

The fourth proportional to 568,325.60, 784,287.76 and 313,675.04 is: 432,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,325.60 : 784,287.76 = 313,675.04 : x
  2. Step 2: Convert to fraction form
    568,325.60/784,287.76 = 313,675.04/x
  3. Step 3: Cross multiply
    568,325.60x = 784,287.76 × 313,675.04
  4. Step 4: Simplify right side
    568,325.60x = 246,011,494,489.51
  5. Step 5: Solve for x
    x = 246,011,494,489.51/568,325.60
  6. Step 6: Final answer
    x = 432,870.69

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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.