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Finding the Fourth Proportional to 260,884.80, 359,951.04 and 147,705.12

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Solution

The fourth proportional to 260,884.80, 359,951.04 and 147,705.12 is: 203,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,884.80 : 359,951.04 = 147,705.12 : x
  2. Step 2: Convert to fraction form
    260,884.80/359,951.04 = 147,705.12/x
  3. Step 3: Cross multiply
    260,884.80x = 359,951.04 × 147,705.12
  4. Step 4: Simplify right side
    260,884.80x = 53,166,611,557.32
  5. Step 5: Solve for x
    x = 53,166,611,557.32/260,884.80
  6. Step 6: Final answer
    x = 203,793.44

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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.