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Finding the Fourth Proportional to 568,195.56, 784,083.24 and 326,307.60

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Solution

The fourth proportional to 568,195.56, 784,083.24 and 326,307.60 is: 450,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,195.56 : 784,083.24 = 326,307.60 : x
  2. Step 2: Convert to fraction form
    568,195.56/784,083.24 = 326,307.60/x
  3. Step 3: Cross multiply
    568,195.56x = 784,083.24 × 326,307.60
  4. Step 4: Simplify right side
    568,195.56x = 255,852,320,244.62
  5. Step 5: Solve for x
    x = 255,852,320,244.62/568,195.56
  6. Step 6: Final answer
    x = 450,289.19

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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.