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Finding the Fourth Proportional to 411,987.62, 568,600.51 and 297,636.22

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Solution

The fourth proportional to 411,987.62, 568,600.51 and 297,636.22 is: 410,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,987.62 : 568,600.51 = 297,636.22 : x
  2. Step 2: Convert to fraction form
    411,987.62/568,600.51 = 297,636.22/x
  3. Step 3: Cross multiply
    411,987.62x = 568,600.51 × 297,636.22
  4. Step 4: Simplify right side
    411,987.62x = 169,236,107,011.20
  5. Step 5: Solve for x
    x = 169,236,107,011.20/411,987.62
  6. Step 6: Final answer
    x = 410,779.60

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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.