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Finding the Fourth Proportional to 456,020.62, 629,370.95 and 262,424.34

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Solution

The fourth proportional to 456,020.62, 629,370.95 and 262,424.34 is: 362,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,020.62 : 629,370.95 = 262,424.34 : x
  2. Step 2: Convert to fraction form
    456,020.62/629,370.95 = 262,424.34/x
  3. Step 3: Cross multiply
    456,020.62x = 629,370.95 × 262,424.34
  4. Step 4: Simplify right side
    456,020.62x = 165,162,254,856.80
  5. Step 5: Solve for x
    x = 165,162,254,856.80/456,020.62
  6. Step 6: Final answer
    x = 362,181.55

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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.