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Finding the Fourth Proportional to 593.89, 819.52 and 345.16

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Solution

The fourth proportional to 593.89, 819.52 and 345.16 is: 476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.89 : 819.52 = 345.16 : x
  2. Step 2: Convert to fraction form
    593.89/819.52 = 345.16/x
  3. Step 3: Cross multiply
    593.89x = 819.52 × 345.16
  4. Step 4: Simplify right side
    593.89x = 282,867.14
  5. Step 5: Solve for x
    x = 282,867.14/593.89
  6. Step 6: Final answer
    x = 476.30

Related Problems

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Half scale
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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.