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Finding the Fourth Proportional to 568,424.94, 784,432.71 and 313,776.42

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Solution

The fourth proportional to 568,424.94, 784,432.71 and 313,776.42 is: 433,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,424.94 : 784,432.71 = 313,776.42 : x
  2. Step 2: Convert to fraction form
    568,424.94/784,432.71 = 313,776.42/x
  3. Step 3: Cross multiply
    568,424.94x = 784,432.71 × 313,776.42
  4. Step 4: Simplify right side
    568,424.94x = 246,136,487,474.70
  5. Step 5: Solve for x
    x = 246,136,487,474.70/568,424.94
  6. Step 6: Final answer
    x = 433,014.93

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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.