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Finding the Fourth Proportional to 268,659.49, 370,740.70 and 147,799.48

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Solution

The fourth proportional to 268,659.49, 370,740.70 and 147,799.48 is: 203,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,659.49 : 370,740.70 = 147,799.48 : x
  2. Step 2: Convert to fraction form
    268,659.49/370,740.70 = 147,799.48/x
  3. Step 3: Cross multiply
    268,659.49x = 370,740.70 × 147,799.48
  4. Step 4: Simplify right side
    268,659.49x = 54,795,282,674.84
  5. Step 5: Solve for x
    x = 54,795,282,674.84/268,659.49
  6. Step 6: Final answer
    x = 203,958.11

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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.