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Finding the Fourth Proportional to 619,517.48, 929,276.27 and 220,174.01

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Solution

The fourth proportional to 619,517.48, 929,276.27 and 220,174.01 is: 330,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,517.48 : 929,276.27 = 220,174.01 : x
  2. Step 2: Convert to fraction form
    619,517.48/929,276.27 = 220,174.01/x
  3. Step 3: Cross multiply
    619,517.48x = 929,276.27 × 220,174.01
  4. Step 4: Simplify right side
    619,517.48x = 204,602,485,637.37
  5. Step 5: Solve for x
    x = 204,602,485,637.37/619,517.48
  6. Step 6: Final answer
    x = 330,261.04

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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.