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Finding the Fourth Proportional to 955.67, 1,434.10 and 585.99

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Solution

The fourth proportional to 955.67, 1,434.10 and 585.99 is: 879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.67 : 1,434.10 = 585.99 : x
  2. Step 2: Convert to fraction form
    955.67/1,434.10 = 585.99/x
  3. Step 3: Cross multiply
    955.67x = 1,434.10 × 585.99
  4. Step 4: Simplify right side
    955.67x = 840,368.49
  5. Step 5: Solve for x
    x = 840,368.49/955.67
  6. Step 6: Final answer
    x = 879.35

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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.