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Finding the Fourth Proportional to 294,690.60, 441,666.09 and 126,012.51

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Solution

The fourth proportional to 294,690.60, 441,666.09 and 126,012.51 is: 188,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,690.60 : 441,666.09 = 126,012.51 : x
  2. Step 2: Convert to fraction form
    294,690.60/441,666.09 = 126,012.51/x
  3. Step 3: Cross multiply
    294,690.60x = 441,666.09 × 126,012.51
  4. Step 4: Simplify right side
    294,690.60x = 55,655,452,582.79
  5. Step 5: Solve for x
    x = 55,655,452,582.79/294,690.60
  6. Step 6: Final answer
    x = 188,860.63

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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.