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Finding the Fourth Proportional to 337,175.60, 505,957.80 and 126,964.40

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Solution

The fourth proportional to 337,175.60, 505,957.80 and 126,964.40 is: 190,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,175.60 : 505,957.80 = 126,964.40 : x
  2. Step 2: Convert to fraction form
    337,175.60/505,957.80 = 126,964.40/x
  3. Step 3: Cross multiply
    337,175.60x = 505,957.80 × 126,964.40
  4. Step 4: Simplify right side
    337,175.60x = 64,238,628,502.32
  5. Step 5: Solve for x
    x = 64,238,628,502.32/337,175.60
  6. Step 6: Final answer
    x = 190,519.80

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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.