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Finding the Fourth Proportional to 431,764.60, 595,840.98 and 250,486.60

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Solution

The fourth proportional to 431,764.60, 595,840.98 and 250,486.60 is: 345,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,764.60 : 595,840.98 = 250,486.60 : x
  2. Step 2: Convert to fraction form
    431,764.60/595,840.98 = 250,486.60/x
  3. Step 3: Cross multiply
    431,764.60x = 595,840.98 × 250,486.60
  4. Step 4: Simplify right side
    431,764.60x = 149,250,181,220.87
  5. Step 5: Solve for x
    x = 149,250,181,220.87/431,764.60
  6. Step 6: Final answer
    x = 345,674.89

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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.