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Finding the Fourth Proportional to 424.64, 586.32 and 337.16

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Solution

The fourth proportional to 424.64, 586.32 and 337.16 is: 465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.64 : 586.32 = 337.16 : x
  2. Step 2: Convert to fraction form
    424.64/586.32 = 337.16/x
  3. Step 3: Cross multiply
    424.64x = 586.32 × 337.16
  4. Step 4: Simplify right side
    424.64x = 197,683.65
  5. Step 5: Solve for x
    x = 197,683.65/424.64
  6. Step 6: Final answer
    x = 465.53

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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.