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Finding the Fourth Proportional to 449,404.66, 673,339.72 and 247,170.04

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Solution

The fourth proportional to 449,404.66, 673,339.72 and 247,170.04 is: 370,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,404.66 : 673,339.72 = 247,170.04 : x
  2. Step 2: Convert to fraction form
    449,404.66/673,339.72 = 247,170.04/x
  3. Step 3: Cross multiply
    449,404.66x = 673,339.72 × 247,170.04
  4. Step 4: Simplify right side
    449,404.66x = 166,429,403,224.71
  5. Step 5: Solve for x
    x = 166,429,403,224.71/449,404.66
  6. Step 6: Final answer
    x = 370,333.06

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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.