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Finding the Fourth Proportional to 430.06, 593.46 and 243.54

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Solution

The fourth proportional to 430.06, 593.46 and 243.54 is: 336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.06 : 593.46 = 243.54 : x
  2. Step 2: Convert to fraction form
    430.06/593.46 = 243.54/x
  3. Step 3: Cross multiply
    430.06x = 593.46 × 243.54
  4. Step 4: Simplify right side
    430.06x = 144,531.25
  5. Step 5: Solve for x
    x = 144,531.25/430.06
  6. Step 6: Final answer
    x = 336.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.