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Finding the Fourth Proportional to 593.64, 819.18 and 357.55

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Solution

The fourth proportional to 593.64, 819.18 and 357.55 is: 493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.64 : 819.18 = 357.55 : x
  2. Step 2: Convert to fraction form
    593.64/819.18 = 357.55/x
  3. Step 3: Cross multiply
    593.64x = 819.18 × 357.55
  4. Step 4: Simplify right side
    593.64x = 292,895.76
  5. Step 5: Solve for x
    x = 292,895.76/593.64
  6. Step 6: Final answer
    x = 493.39

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.