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Finding the Fourth Proportional to 437,425.20, 656,137.80 and 250,304.40

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Solution

The fourth proportional to 437,425.20, 656,137.80 and 250,304.40 is: 375,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,425.20 : 656,137.80 = 250,304.40 : x
  2. Step 2: Convert to fraction form
    437,425.20/656,137.80 = 250,304.40/x
  3. Step 3: Cross multiply
    437,425.20x = 656,137.80 × 250,304.40
  4. Step 4: Simplify right side
    437,425.20x = 164,234,178,346.32
  5. Step 5: Solve for x
    x = 164,234,178,346.32/437,425.20
  6. Step 6: Final answer
    x = 375,456.60

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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.