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Finding the Fourth Proportional to 568,986.59, 785,217.38 and 314,354.18

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Solution

The fourth proportional to 568,986.59, 785,217.38 and 314,354.18 is: 433,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,986.59 : 785,217.38 = 314,354.18 : x
  2. Step 2: Convert to fraction form
    568,986.59/785,217.38 = 314,354.18/x
  3. Step 3: Cross multiply
    568,986.59x = 785,217.38 × 314,354.18
  4. Step 4: Simplify right side
    568,986.59x = 246,836,366,002.92
  5. Step 5: Solve for x
    x = 246,836,366,002.92/568,986.59
  6. Step 6: Final answer
    x = 433,817.54

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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.