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Finding the Fourth Proportional to 592.65, 818.10 and 451.71

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Solution

The fourth proportional to 592.65, 818.10 and 451.71 is: 623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.65 : 818.10 = 451.71 : x
  2. Step 2: Convert to fraction form
    592.65/818.10 = 451.71/x
  3. Step 3: Cross multiply
    592.65x = 818.10 × 451.71
  4. Step 4: Simplify right side
    592.65x = 369,543.95
  5. Step 5: Solve for x
    x = 369,543.95/592.65
  6. Step 6: Final answer
    x = 623.55

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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.