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Finding the Fourth Proportional to 590.14, 884.94 and 281.92

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Solution

The fourth proportional to 590.14, 884.94 and 281.92 is: 422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.14 : 884.94 = 281.92 : x
  2. Step 2: Convert to fraction form
    590.14/884.94 = 281.92/x
  3. Step 3: Cross multiply
    590.14x = 884.94 × 281.92
  4. Step 4: Simplify right side
    590.14x = 249,482.28
  5. Step 5: Solve for x
    x = 249,482.28/590.14
  6. Step 6: Final answer
    x = 422.75

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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.