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Finding the Fourth Proportional to 268,364.69, 370,347.08 and 147,517.15

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Solution

The fourth proportional to 268,364.69, 370,347.08 and 147,517.15 is: 203,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,364.69 : 370,347.08 = 147,517.15 : x
  2. Step 2: Convert to fraction form
    268,364.69/370,347.08 = 147,517.15/x
  3. Step 3: Cross multiply
    268,364.69x = 370,347.08 × 147,517.15
  4. Step 4: Simplify right side
    268,364.69x = 54,632,545,014.84
  5. Step 5: Solve for x
    x = 54,632,545,014.84/268,364.69
  6. Step 6: Final answer
    x = 203,575.76

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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.