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Finding the Fourth Proportional to 622,986.80, 934,134.60 and 248,586.80

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Solution

The fourth proportional to 622,986.80, 934,134.60 and 248,586.80 is: 372,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,986.80 : 934,134.60 = 248,586.80 : x
  2. Step 2: Convert to fraction form
    622,986.80/934,134.60 = 248,586.80/x
  3. Step 3: Cross multiply
    622,986.80x = 934,134.60 × 248,586.80
  4. Step 4: Simplify right side
    622,986.80x = 232,213,530,983.28
  5. Step 5: Solve for x
    x = 232,213,530,983.28/622,986.80
  6. Step 6: Final answer
    x = 372,742.30

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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.