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Finding the Fourth Proportional to 592.02, 815.13 and 503.31

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Solution

The fourth proportional to 592.02, 815.13 and 503.31 is: 692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.02 : 815.13 = 503.31 : x
  2. Step 2: Convert to fraction form
    592.02/815.13 = 503.31/x
  3. Step 3: Cross multiply
    592.02x = 815.13 × 503.31
  4. Step 4: Simplify right side
    592.02x = 410,263.08
  5. Step 5: Solve for x
    x = 410,263.08/592.02
  6. Step 6: Final answer
    x = 692.99

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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.