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Finding the Fourth Proportional to 323,638.82, 446,457.42 and 247,024.91

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Solution

The fourth proportional to 323,638.82, 446,457.42 and 247,024.91 is: 340,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,638.82 : 446,457.42 = 247,024.91 : x
  2. Step 2: Convert to fraction form
    323,638.82/446,457.42 = 247,024.91/x
  3. Step 3: Cross multiply
    323,638.82x = 446,457.42 × 247,024.91
  4. Step 4: Simplify right side
    323,638.82x = 110,286,103,994.33
  5. Step 5: Solve for x
    x = 110,286,103,994.33/323,638.82
  6. Step 6: Final answer
    x = 340,769.08

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1.5x scale

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.