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Finding the Fourth Proportional to 956.29, 1,434.59 and 590.58

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Solution

The fourth proportional to 956.29, 1,434.59 and 590.58 is: 885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.29 : 1,434.59 = 590.58 : x
  2. Step 2: Convert to fraction form
    956.29/1,434.59 = 590.58/x
  3. Step 3: Cross multiply
    956.29x = 1,434.59 × 590.58
  4. Step 4: Simplify right side
    956.29x = 847,240.16
  5. Step 5: Solve for x
    x = 847,240.16/956.29
  6. Step 6: Final answer
    x = 885.97

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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.