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Finding the Fourth Proportional to 1,041.96, 1,438.04 and 599.88

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Solution

The fourth proportional to 1,041.96, 1,438.04 and 599.88 is: 827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.96 : 1,438.04 = 599.88 : x
  2. Step 2: Convert to fraction form
    1,041.96/1,438.04 = 599.88/x
  3. Step 3: Cross multiply
    1,041.96x = 1,438.04 × 599.88
  4. Step 4: Simplify right side
    1,041.96x = 862,643.79
  5. Step 5: Solve for x
    x = 862,643.79/1,041.96
  6. Step 6: Final answer
    x = 827.91

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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.