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Finding the Fourth Proportional to 361,070.01, 498,236.34 and 199,884.69

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Solution

The fourth proportional to 361,070.01, 498,236.34 and 199,884.69 is: 275,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,070.01 : 498,236.34 = 199,884.69 : x
  2. Step 2: Convert to fraction form
    361,070.01/498,236.34 = 199,884.69/x
  3. Step 3: Cross multiply
    361,070.01x = 498,236.34 × 199,884.69
  4. Step 4: Simplify right side
    361,070.01x = 99,589,816,367.63
  5. Step 5: Solve for x
    x = 99,589,816,367.63/361,070.01
  6. Step 6: Final answer
    x = 275,818.58

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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.