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Finding the Fourth Proportional to 593, 818.66 and 454.76

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Solution

The fourth proportional to 593, 818.66 and 454.76 is: 627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    593 : 818.66 = 454.76 : x
  2. Step 2: Convert to fraction form
    593/818.66 = 454.76/x
  3. Step 3: Cross multiply
    593x = 818.66 × 454.76
  4. Step 4: Simplify right side
    593x = 372,293.82
  5. Step 5: Solve for x
    x = 372,293.82/593
  6. Step 6: Final answer
    x = 627.81

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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.