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Finding the Fourth Proportional to 592.18, 815.97 and 503.35

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Solution

The fourth proportional to 592.18, 815.97 and 503.35 is: 693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.18 : 815.97 = 503.35 : x
  2. Step 2: Convert to fraction form
    592.18/815.97 = 503.35/x
  3. Step 3: Cross multiply
    592.18x = 815.97 × 503.35
  4. Step 4: Simplify right side
    592.18x = 410,718.35
  5. Step 5: Solve for x
    x = 410,718.35/592.18
  6. Step 6: Final answer
    x = 693.57

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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.