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Finding the Fourth Proportional to 436,155.72, 654,264.81 and 116,305.92

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Solution

The fourth proportional to 436,155.72, 654,264.81 and 116,305.92 is: 174,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,155.72 : 654,264.81 = 116,305.92 : x
  2. Step 2: Convert to fraction form
    436,155.72/654,264.81 = 116,305.92/x
  3. Step 3: Cross multiply
    436,155.72x = 654,264.81 × 116,305.92
  4. Step 4: Simplify right side
    436,155.72x = 76,094,870,650.68
  5. Step 5: Solve for x
    x = 76,094,870,650.68/436,155.72
  6. Step 6: Final answer
    x = 174,467.21

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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.