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Finding the Fourth Proportional to 467,144.55, 701,561.57 and 431,567.55

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Solution

The fourth proportional to 467,144.55, 701,561.57 and 431,567.55 is: 648,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,144.55 : 701,561.57 = 431,567.55 : x
  2. Step 2: Convert to fraction form
    467,144.55/701,561.57 = 431,567.55/x
  3. Step 3: Cross multiply
    467,144.55x = 701,561.57 × 431,567.55
  4. Step 4: Simplify right side
    467,144.55x = 302,771,205,781.22
  5. Step 5: Solve for x
    x = 302,771,205,781.22/467,144.55
  6. Step 6: Final answer
    x = 648,131.73

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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.