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Finding the Fourth Proportional to 692.24, 1,032.32 and 590.16

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Solution

The fourth proportional to 692.24, 1,032.32 and 590.16 is: 880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.24 : 1,032.32 = 590.16 : x
  2. Step 2: Convert to fraction form
    692.24/1,032.32 = 590.16/x
  3. Step 3: Cross multiply
    692.24x = 1,032.32 × 590.16
  4. Step 4: Simplify right side
    692.24x = 609,233.97
  5. Step 5: Solve for x
    x = 609,233.97/692.24
  6. Step 6: Final answer
    x = 880.09

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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.