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Finding the Fourth Proportional to 437,523.60, 656,285.40 and 248,566.80

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Solution

The fourth proportional to 437,523.60, 656,285.40 and 248,566.80 is: 372,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,523.60 : 656,285.40 = 248,566.80 : x
  2. Step 2: Convert to fraction form
    437,523.60/656,285.40 = 248,566.80/x
  3. Step 3: Cross multiply
    437,523.60x = 656,285.40 × 248,566.80
  4. Step 4: Simplify right side
    437,523.60x = 163,130,761,764.72
  5. Step 5: Solve for x
    x = 163,130,761,764.72/437,523.60
  6. Step 6: Final answer
    x = 372,850.20

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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.