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Finding the Fourth Proportional to 568,599.90, 784,673.82 and 313,950.48

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Solution

The fourth proportional to 568,599.90, 784,673.82 and 313,950.48 is: 433,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,599.90 : 784,673.82 = 313,950.48 : x
  2. Step 2: Convert to fraction form
    568,599.90/784,673.82 = 313,950.48/x
  3. Step 3: Cross multiply
    568,599.90x = 784,673.82 × 313,950.48
  4. Step 4: Simplify right side
    568,599.90x = 246,348,722,432.43
  5. Step 5: Solve for x
    x = 246,348,722,432.43/568,599.90
  6. Step 6: Final answer
    x = 433,254.95

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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.