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Finding the Fourth Proportional to 508.96, 705.01 and 467.92

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Solution

The fourth proportional to 508.96, 705.01 and 467.92 is: 648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.96 : 705.01 = 467.92 : x
  2. Step 2: Convert to fraction form
    508.96/705.01 = 467.92/x
  3. Step 3: Cross multiply
    508.96x = 705.01 × 467.92
  4. Step 4: Simplify right side
    508.96x = 329,888.28
  5. Step 5: Solve for x
    x = 329,888.28/508.96
  6. Step 6: Final answer
    x = 648.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.