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Finding the Fourth Proportional to 241,490.80, 362,236.20 and 147,012.40

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Solution

The fourth proportional to 241,490.80, 362,236.20 and 147,012.40 is: 220,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,490.80 : 362,236.20 = 147,012.40 : x
  2. Step 2: Convert to fraction form
    241,490.80/362,236.20 = 147,012.40/x
  3. Step 3: Cross multiply
    241,490.80x = 362,236.20 × 147,012.40
  4. Step 4: Simplify right side
    241,490.80x = 53,253,213,128.88
  5. Step 5: Solve for x
    x = 53,253,213,128.88/241,490.80
  6. Step 6: Final answer
    x = 220,518.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.