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Finding the Fourth Proportional to 594.40, 886.37 and 547.12

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Solution

The fourth proportional to 594.40, 886.37 and 547.12 is: 815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.40 : 886.37 = 547.12 : x
  2. Step 2: Convert to fraction form
    594.40/886.37 = 547.12/x
  3. Step 3: Cross multiply
    594.40x = 886.37 × 547.12
  4. Step 4: Simplify right side
    594.40x = 484,950.75
  5. Step 5: Solve for x
    x = 484,950.75/594.40
  6. Step 6: Final answer
    x = 815.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.