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Finding the Fourth Proportional to 336.96, 507.23 and 292.31

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Solution

The fourth proportional to 336.96, 507.23 and 292.31 is: 440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.96 : 507.23 = 292.31 : x
  2. Step 2: Convert to fraction form
    336.96/507.23 = 292.31/x
  3. Step 3: Cross multiply
    336.96x = 507.23 × 292.31
  4. Step 4: Simplify right side
    336.96x = 148,267.40
  5. Step 5: Solve for x
    x = 148,267.40/336.96
  6. Step 6: Final answer
    x = 440.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.