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Finding the Fourth Proportional to 568,345.60, 784,315.44 and 313,695.04

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Solution

The fourth proportional to 568,345.60, 784,315.44 and 313,695.04 is: 432,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,345.60 : 784,315.44 = 313,695.04 : x
  2. Step 2: Convert to fraction form
    568,345.60/784,315.44 = 313,695.04/x
  3. Step 3: Cross multiply
    568,345.60x = 784,315.44 × 313,695.04
  4. Step 4: Simplify right side
    568,345.60x = 246,035,863,323.42
  5. Step 5: Solve for x
    x = 246,035,863,323.42/568,345.60
  6. Step 6: Final answer
    x = 432,898.33

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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.