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Finding the Fourth Proportional to 501.98, 692.62 and 292.03

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Solution

The fourth proportional to 501.98, 692.62 and 292.03 is: 402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.98 : 692.62 = 292.03 : x
  2. Step 2: Convert to fraction form
    501.98/692.62 = 292.03/x
  3. Step 3: Cross multiply
    501.98x = 692.62 × 292.03
  4. Step 4: Simplify right side
    501.98x = 202,268.11
  5. Step 5: Solve for x
    x = 202,268.11/501.98
  6. Step 6: Final answer
    x = 402.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.