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Finding the Fourth Proportional to 568,813.22, 784,895.10 and 314,149.22

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Solution

The fourth proportional to 568,813.22, 784,895.10 and 314,149.22 is: 433,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,813.22 : 784,895.10 = 314,149.22 : x
  2. Step 2: Convert to fraction form
    568,813.22/784,895.10 = 314,149.22/x
  3. Step 3: Cross multiply
    568,813.22x = 784,895.10 × 314,149.22
  4. Step 4: Simplify right side
    568,813.22x = 246,574,183,446.82
  5. Step 5: Solve for x
    x = 246,574,183,446.82/568,813.22
  6. Step 6: Final answer
    x = 433,488.84

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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.