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Finding the Fourth Proportional to 384.08, 575.96 and 152.93

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Solution

The fourth proportional to 384.08, 575.96 and 152.93 is: 229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.08 : 575.96 = 152.93 : x
  2. Step 2: Convert to fraction form
    384.08/575.96 = 152.93/x
  3. Step 3: Cross multiply
    384.08x = 575.96 × 152.93
  4. Step 4: Simplify right side
    384.08x = 88,082.24
  5. Step 5: Solve for x
    x = 88,082.24/384.08
  6. Step 6: Final answer
    x = 229.34

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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.