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Finding the Fourth Proportional to 956.42, 1,435.05 and 590.97

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Solution

The fourth proportional to 956.42, 1,435.05 and 590.97 is: 886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.42 : 1,435.05 = 590.97 : x
  2. Step 2: Convert to fraction form
    956.42/1,435.05 = 590.97/x
  3. Step 3: Cross multiply
    956.42x = 1,435.05 × 590.97
  4. Step 4: Simplify right side
    956.42x = 848,071.50
  5. Step 5: Solve for x
    x = 848,071.50/956.42
  6. Step 6: Final answer
    x = 886.72

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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.