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Finding the Fourth Proportional to 474,968.80, 711,459.60 and 222,464.80

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Solution

The fourth proportional to 474,968.80, 711,459.60 and 222,464.80 is: 333,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,968.80 : 711,459.60 = 222,464.80 : x
  2. Step 2: Convert to fraction form
    474,968.80/711,459.60 = 222,464.80/x
  3. Step 3: Cross multiply
    474,968.80x = 711,459.60 × 222,464.80
  4. Step 4: Simplify right side
    474,968.80x = 158,274,717,622.08
  5. Step 5: Solve for x
    x = 158,274,717,622.08/474,968.80
  6. Step 6: Final answer
    x = 333,231.82

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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.