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Finding the Fourth Proportional to 400,557.96, 600,855.36 and 222,931.16

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Solution

The fourth proportional to 400,557.96, 600,855.36 and 222,931.16 is: 334,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,557.96 : 600,855.36 = 222,931.16 : x
  2. Step 2: Convert to fraction form
    400,557.96/600,855.36 = 222,931.16/x
  3. Step 3: Cross multiply
    400,557.96x = 600,855.36 × 222,931.16
  4. Step 4: Simplify right side
    400,557.96x = 133,949,382,397.02
  5. Step 5: Solve for x
    x = 133,949,382,397.02/400,557.96
  6. Step 6: Final answer
    x = 334,406.99

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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.