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Finding the Fourth Proportional to 593.64, 890.51 and 305.28

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Solution

The fourth proportional to 593.64, 890.51 and 305.28 is: 457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.64 : 890.51 = 305.28 : x
  2. Step 2: Convert to fraction form
    593.64/890.51 = 305.28/x
  3. Step 3: Cross multiply
    593.64x = 890.51 × 305.28
  4. Step 4: Simplify right side
    593.64x = 271,854.89
  5. Step 5: Solve for x
    x = 271,854.89/593.64
  6. Step 6: Final answer
    x = 457.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.