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Finding the Fourth Proportional to 376,412.20, 564,618.30 and 165,826.60

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Solution

The fourth proportional to 376,412.20, 564,618.30 and 165,826.60 is: 248,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,412.20 : 564,618.30 = 165,826.60 : x
  2. Step 2: Convert to fraction form
    376,412.20/564,618.30 = 165,826.60/x
  3. Step 3: Cross multiply
    376,412.20x = 564,618.30 × 165,826.60
  4. Step 4: Simplify right side
    376,412.20x = 93,628,732,986.78
  5. Step 5: Solve for x
    x = 93,628,732,986.78/376,412.20
  6. Step 6: Final answer
    x = 248,739.90

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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.