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Finding the Fourth Proportional to 440,416.16, 607,770.96 and 239,213.60

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Solution

The fourth proportional to 440,416.16, 607,770.96 and 239,213.60 is: 330,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416.16 : 607,770.96 = 239,213.60 : x
  2. Step 2: Convert to fraction form
    440,416.16/607,770.96 = 239,213.60/x
  3. Step 3: Cross multiply
    440,416.16x = 607,770.96 × 239,213.60
  4. Step 4: Simplify right side
    440,416.16x = 145,387,079,317.06
  5. Step 5: Solve for x
    x = 145,387,079,317.06/440,416.16
  6. Step 6: Final answer
    x = 330,112.95

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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.