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Finding the Fourth Proportional to 592.45, 818.51 and 453.13

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Solution

The fourth proportional to 592.45, 818.51 and 453.13 is: 626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.45 : 818.51 = 453.13 : x
  2. Step 2: Convert to fraction form
    592.45/818.51 = 453.13/x
  3. Step 3: Cross multiply
    592.45x = 818.51 × 453.13
  4. Step 4: Simplify right side
    592.45x = 370,887.12
  5. Step 5: Solve for x
    x = 370,887.12/592.45
  6. Step 6: Final answer
    x = 626.03

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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.