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Finding the Fourth Proportional to 592.95, 817.77 and 445.32

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Solution

The fourth proportional to 592.95, 817.77 and 445.32 is: 614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.95 : 817.77 = 445.32 : x
  2. Step 2: Convert to fraction form
    592.95/817.77 = 445.32/x
  3. Step 3: Cross multiply
    592.95x = 817.77 × 445.32
  4. Step 4: Simplify right side
    592.95x = 364,174.07
  5. Step 5: Solve for x
    x = 364,174.07/592.95
  6. Step 6: Final answer
    x = 614.18

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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.