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Finding the Fourth Proportional to 592.95, 818.91 and 451.56

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Solution

The fourth proportional to 592.95, 818.91 and 451.56 is: 623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.95 : 818.91 = 451.56 : x
  2. Step 2: Convert to fraction form
    592.95/818.91 = 451.56/x
  3. Step 3: Cross multiply
    592.95x = 818.91 × 451.56
  4. Step 4: Simplify right side
    592.95x = 369,787.00
  5. Step 5: Solve for x
    x = 369,787.00/592.95
  6. Step 6: Final answer
    x = 623.64

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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.