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Finding the Fourth Proportional to 401,614.32, 554,219.52 and 222,766.32

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Solution

The fourth proportional to 401,614.32, 554,219.52 and 222,766.32 is: 307,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,614.32 : 554,219.52 = 222,766.32 : x
  2. Step 2: Convert to fraction form
    401,614.32/554,219.52 = 222,766.32/x
  3. Step 3: Cross multiply
    401,614.32x = 554,219.52 × 222,766.32
  4. Step 4: Simplify right side
    401,614.32x = 123,461,442,942.57
  5. Step 5: Solve for x
    x = 123,461,442,942.57/401,614.32
  6. Step 6: Final answer
    x = 307,412.95

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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.