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Finding the Fourth Proportional to 431,136.01, 594,986.07 and 240,149.50

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Solution

The fourth proportional to 431,136.01, 594,986.07 and 240,149.50 is: 331,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,136.01 : 594,986.07 = 240,149.50 : x
  2. Step 2: Convert to fraction form
    431,136.01/594,986.07 = 240,149.50/x
  3. Step 3: Cross multiply
    431,136.01x = 594,986.07 × 240,149.50
  4. Step 4: Simplify right side
    431,136.01x = 142,885,607,217.47
  5. Step 5: Solve for x
    x = 142,885,607,217.47/431,136.01
  6. Step 6: Final answer
    x = 331,416.55

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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.