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Finding the Fourth Proportional to 268,587.60, 370,659.84 and 147,738.24

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Solution

The fourth proportional to 268,587.60, 370,659.84 and 147,738.24 is: 203,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,587.60 : 370,659.84 = 147,738.24 : x
  2. Step 2: Convert to fraction form
    268,587.60/370,659.84 = 147,738.24/x
  3. Step 3: Cross multiply
    268,587.60x = 370,659.84 × 147,738.24
  4. Step 4: Simplify right side
    268,587.60x = 54,760,632,400.28
  5. Step 5: Solve for x
    x = 54,760,632,400.28/268,587.60
  6. Step 6: Final answer
    x = 203,883.70

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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.