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Finding the Fourth Proportional to 268,359.60, 370,336.56 and 147,500.88

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Solution

The fourth proportional to 268,359.60, 370,336.56 and 147,500.88 is: 203,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,359.60 : 370,336.56 = 147,500.88 : x
  2. Step 2: Convert to fraction form
    268,359.60/370,336.56 = 147,500.88/x
  3. Step 3: Cross multiply
    268,359.60x = 370,336.56 × 147,500.88
  4. Step 4: Simplify right side
    268,359.60x = 54,624,968,496.17
  5. Step 5: Solve for x
    x = 54,624,968,496.17/268,359.60
  6. Step 6: Final answer
    x = 203,551.39

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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.