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Finding the Fourth Proportional to 986,375.52, 1,479,563.52 and 238,421.44

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Solution

The fourth proportional to 986,375.52, 1,479,563.52 and 238,421.44 is: 357,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,375.52 : 1,479,563.52 = 238,421.44 : x
  2. Step 2: Convert to fraction form
    986,375.52/1,479,563.52 = 238,421.44/x
  3. Step 3: Cross multiply
    986,375.52x = 1,479,563.52 × 238,421.44
  4. Step 4: Simplify right side
    986,375.52x = 352,759,665,009.87
  5. Step 5: Solve for x
    x = 352,759,665,009.87/986,375.52
  6. Step 6: Final answer
    x = 357,632.22

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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.