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Finding the Fourth Proportional to 437,612.60, 656,418.90 and 248,655.80

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Solution

The fourth proportional to 437,612.60, 656,418.90 and 248,655.80 is: 372,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,612.60 : 656,418.90 = 248,655.80 : x
  2. Step 2: Convert to fraction form
    437,612.60/656,418.90 = 248,655.80/x
  3. Step 3: Cross multiply
    437,612.60x = 656,418.90 × 248,655.80
  4. Step 4: Simplify right side
    437,612.60x = 163,222,366,714.62
  5. Step 5: Solve for x
    x = 163,222,366,714.62/437,612.60
  6. Step 6: Final answer
    x = 372,983.70

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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.