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Finding the Fourth Proportional to 586.84, 874.26 and 559.32

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Solution

The fourth proportional to 586.84, 874.26 and 559.32 is: 833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.84 : 874.26 = 559.32 : x
  2. Step 2: Convert to fraction form
    586.84/874.26 = 559.32/x
  3. Step 3: Cross multiply
    586.84x = 874.26 × 559.32
  4. Step 4: Simplify right side
    586.84x = 488,991.10
  5. Step 5: Solve for x
    x = 488,991.10/586.84
  6. Step 6: Final answer
    x = 833.26

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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.