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Finding the Fourth Proportional to 424.48, 585.74 and 237.93

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Solution

The fourth proportional to 424.48, 585.74 and 237.93 is: 328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.48 : 585.74 = 237.93 : x
  2. Step 2: Convert to fraction form
    424.48/585.74 = 237.93/x
  3. Step 3: Cross multiply
    424.48x = 585.74 × 237.93
  4. Step 4: Simplify right side
    424.48x = 139,365.12
  5. Step 5: Solve for x
    x = 139,365.12/424.48
  6. Step 6: Final answer
    x = 328.32

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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.