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Finding the Fourth Proportional to 268,555.72, 370,599.06 and 147,696.88

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Solution

The fourth proportional to 268,555.72, 370,599.06 and 147,696.88 is: 203,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,555.72 : 370,599.06 = 147,696.88 : x
  2. Step 2: Convert to fraction form
    268,555.72/370,599.06 = 147,696.88/x
  3. Step 3: Cross multiply
    268,555.72x = 370,599.06 × 147,696.88
  4. Step 4: Simplify right side
    268,555.72x = 54,736,324,892.93
  5. Step 5: Solve for x
    x = 54,736,324,892.93/268,555.72
  6. Step 6: Final answer
    x = 203,817.39

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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.