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Finding the Fourth Proportional to 449,162.66, 673,652.88 and 164,756.40

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Solution

The fourth proportional to 449,162.66, 673,652.88 and 164,756.40 is: 247,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,162.66 : 673,652.88 = 164,756.40 : x
  2. Step 2: Convert to fraction form
    449,162.66/673,652.88 = 164,756.40/x
  3. Step 3: Cross multiply
    449,162.66x = 673,652.88 × 164,756.40
  4. Step 4: Simplify right side
    449,162.66x = 110,988,623,358.43
  5. Step 5: Solve for x
    x = 110,988,623,358.43/449,162.66
  6. Step 6: Final answer
    x = 247,101.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.