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Finding the Fourth Proportional to 431,319.42, 595,220.82 and 250,136.44

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Solution

The fourth proportional to 431,319.42, 595,220.82 and 250,136.44 is: 345,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,319.42 : 595,220.82 = 250,136.44 : x
  2. Step 2: Convert to fraction form
    431,319.42/595,220.82 = 250,136.44/x
  3. Step 3: Cross multiply
    431,319.42x = 595,220.82 × 250,136.44
  4. Step 4: Simplify right side
    431,319.42x = 148,886,416,928.68
  5. Step 5: Solve for x
    x = 148,886,416,928.68/431,319.42
  6. Step 6: Final answer
    x = 345,188.30

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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.