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Finding the Fourth Proportional to 268,334.70, 370,303.88 and 147,478.04

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Solution

The fourth proportional to 268,334.70, 370,303.88 and 147,478.04 is: 203,520.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,334.70 : 370,303.88 = 147,478.04 : x
  2. Step 2: Convert to fraction form
    268,334.70/370,303.88 = 147,478.04/x
  3. Step 3: Cross multiply
    268,334.70x = 370,303.88 × 147,478.04
  4. Step 4: Simplify right side
    268,334.70x = 54,611,690,426.80
  5. Step 5: Solve for x
    x = 54,611,690,426.80/268,334.70
  6. Step 6: Final answer
    x = 203,520.79

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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.