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Finding the Fourth Proportional to 254,381.10, 381,579.77 and 127,952.30

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Solution

The fourth proportional to 254,381.10, 381,579.77 and 127,952.30 is: 191,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,381.10 : 381,579.77 = 127,952.30 : x
  2. Step 2: Convert to fraction form
    254,381.10/381,579.77 = 127,952.30/x
  3. Step 3: Cross multiply
    254,381.10x = 381,579.77 × 127,952.30
  4. Step 4: Simplify right side
    254,381.10x = 48,824,009,204.97
  5. Step 5: Solve for x
    x = 48,824,009,204.97/254,381.10
  6. Step 6: Final answer
    x = 191,932.53

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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.