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Finding the Fourth Proportional to 268,399.82, 370,392.95 and 147,548.89

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Solution

The fourth proportional to 268,399.82, 370,392.95 and 147,548.89 is: 203,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,399.82 : 370,392.95 = 147,548.89 : x
  2. Step 2: Convert to fraction form
    268,399.82/370,392.95 = 147,548.89/x
  3. Step 3: Cross multiply
    268,399.82x = 370,392.95 × 147,548.89
  4. Step 4: Simplify right side
    268,399.82x = 54,651,067,479.25
  5. Step 5: Solve for x
    x = 54,651,067,479.25/268,399.82
  6. Step 6: Final answer
    x = 203,618.12

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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.