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Finding the Fourth Proportional to 368.32, 507.42 and 237.10

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Solution

The fourth proportional to 368.32, 507.42 and 237.10 is: 326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.32 : 507.42 = 237.10 : x
  2. Step 2: Convert to fraction form
    368.32/507.42 = 237.10/x
  3. Step 3: Cross multiply
    368.32x = 507.42 × 237.10
  4. Step 4: Simplify right side
    368.32x = 120,309.28
  5. Step 5: Solve for x
    x = 120,309.28/368.32
  6. Step 6: Final answer
    x = 326.64

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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.