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Finding the Fourth Proportional to 440,532.22, 660,475.11 and 140,840.32

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Solution

The fourth proportional to 440,532.22, 660,475.11 and 140,840.32 is: 211,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,532.22 : 660,475.11 = 140,840.32 : x
  2. Step 2: Convert to fraction form
    440,532.22/660,475.11 = 140,840.32/x
  3. Step 3: Cross multiply
    440,532.22x = 660,475.11 × 140,840.32
  4. Step 4: Simplify right side
    440,532.22x = 93,021,522,542.06
  5. Step 5: Solve for x
    x = 93,021,522,542.06/440,532.22
  6. Step 6: Final answer
    x = 211,157.14

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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.