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Finding the Fourth Proportional to 694.14, 1,042.14 and 592.08

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Solution

The fourth proportional to 694.14, 1,042.14 and 592.08 is: 888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.14 : 1,042.14 = 592.08 : x
  2. Step 2: Convert to fraction form
    694.14/1,042.14 = 592.08/x
  3. Step 3: Cross multiply
    694.14x = 1,042.14 × 592.08
  4. Step 4: Simplify right side
    694.14x = 617,030.25
  5. Step 5: Solve for x
    x = 617,030.25/694.14
  6. Step 6: Final answer
    x = 888.91

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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.