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Finding the Fourth Proportional to 254,045.24, 381,019.22 and 127,650.47

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Solution

The fourth proportional to 254,045.24, 381,019.22 and 127,650.47 is: 191,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,045.24 : 381,019.22 = 127,650.47 : x
  2. Step 2: Convert to fraction form
    254,045.24/381,019.22 = 127,650.47/x
  3. Step 3: Cross multiply
    254,045.24x = 381,019.22 × 127,650.47
  4. Step 4: Simplify right side
    254,045.24x = 48,637,282,826.33
  5. Step 5: Solve for x
    x = 48,637,282,826.33/254,045.24
  6. Step 6: Final answer
    x = 191,451.27

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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.