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Finding the Fourth Proportional to 256,360.64, 353,747.51 and 141,632.44

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Solution

The fourth proportional to 256,360.64, 353,747.51 and 141,632.44 is: 195,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,360.64 : 353,747.51 = 141,632.44 : x
  2. Step 2: Convert to fraction form
    256,360.64/353,747.51 = 141,632.44/x
  3. Step 3: Cross multiply
    256,360.64x = 353,747.51 × 141,632.44
  4. Step 4: Simplify right side
    256,360.64x = 50,102,121,923.82
  5. Step 5: Solve for x
    x = 50,102,121,923.82/256,360.64
  6. Step 6: Final answer
    x = 195,436.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.