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Finding the Fourth Proportional to 251,651.20, 377,476.80 and 232,405.60

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Solution

The fourth proportional to 251,651.20, 377,476.80 and 232,405.60 is: 348,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,651.20 : 377,476.80 = 232,405.60 : x
  2. Step 2: Convert to fraction form
    251,651.20/377,476.80 = 232,405.60/x
  3. Step 3: Cross multiply
    251,651.20x = 377,476.80 × 232,405.60
  4. Step 4: Simplify right side
    251,651.20x = 87,727,722,190.08
  5. Step 5: Solve for x
    x = 87,727,722,190.08/251,651.20
  6. Step 6: Final answer
    x = 348,608.40

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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.