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Finding the Fourth Proportional to 463,984.20, 695,644.20 and 179,431.20

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Solution

The fourth proportional to 463,984.20, 695,644.20 and 179,431.20 is: 269,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,984.20 : 695,644.20 = 179,431.20 : x
  2. Step 2: Convert to fraction form
    463,984.20/695,644.20 = 179,431.20/x
  3. Step 3: Cross multiply
    463,984.20x = 695,644.20 × 179,431.20
  4. Step 4: Simplify right side
    463,984.20x = 124,820,273,579.04
  5. Step 5: Solve for x
    x = 124,820,273,579.04/463,984.20
  6. Step 6: Final answer
    x = 269,018.37

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1.5x scale

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.