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Finding the Fourth Proportional to 568,173.36, 851,448 and 417,229.68

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Solution

The fourth proportional to 568,173.36, 851,448 and 417,229.68 is: 625,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,173.36 : 851,448 = 417,229.68 : x
  2. Step 2: Convert to fraction form
    568,173.36/851,448 = 417,229.68/x
  3. Step 3: Cross multiply
    568,173.36x = 851,448 × 417,229.68
  4. Step 4: Simplify right side
    568,173.36x = 355,249,376,576.64
  5. Step 5: Solve for x
    x = 355,249,376,576.64/568,173.36
  6. Step 6: Final answer
    x = 625,248.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.