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Finding the Fourth Proportional to 430.32, 593.64 and 372

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Solution

The fourth proportional to 430.32, 593.64 and 372 is: 513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.32 : 593.64 = 372 : x
  2. Step 2: Convert to fraction form
    430.32/593.64 = 372/x
  3. Step 3: Cross multiply
    430.32x = 593.64 × 372
  4. Step 4: Simplify right side
    430.32x = 220,834.08
  5. Step 5: Solve for x
    x = 220,834.08/430.32
  6. Step 6: Final answer
    x = 513.19

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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.