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Finding the Fourth Proportional to 440,019.60, 607,227.72 and 238,816.08

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Solution

The fourth proportional to 440,019.60, 607,227.72 and 238,816.08 is: 329,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,019.60 : 607,227.72 = 238,816.08 : x
  2. Step 2: Convert to fraction form
    440,019.60/607,227.72 = 238,816.08/x
  3. Step 3: Cross multiply
    440,019.60x = 607,227.72 × 238,816.08
  4. Step 4: Simplify right side
    440,019.60x = 145,015,743,757.74
  5. Step 5: Solve for x
    x = 145,015,743,757.74/440,019.60
  6. Step 6: Final answer
    x = 329,566.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.