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Finding the Fourth Proportional to 1,294.38, 1,940.04 and 599.58

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Solution

The fourth proportional to 1,294.38, 1,940.04 and 599.58 is: 898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.38 : 1,940.04 = 599.58 : x
  2. Step 2: Convert to fraction form
    1,294.38/1,940.04 = 599.58/x
  3. Step 3: Cross multiply
    1,294.38x = 1,940.04 × 599.58
  4. Step 4: Simplify right side
    1,294.38x = 1,163,209.18
  5. Step 5: Solve for x
    x = 1,163,209.18/1,294.38
  6. Step 6: Final answer
    x = 898.66

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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.