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Finding the Fourth Proportional to 294,105.20, 441,340.20 and 153,964.40

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Solution

The fourth proportional to 294,105.20, 441,340.20 and 153,964.40 is: 231,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,105.20 : 441,340.20 = 153,964.40 : x
  2. Step 2: Convert to fraction form
    294,105.20/441,340.20 = 153,964.40/x
  3. Step 3: Cross multiply
    294,105.20x = 441,340.20 × 153,964.40
  4. Step 4: Simplify right side
    294,105.20x = 67,950,679,088.88
  5. Step 5: Solve for x
    x = 67,950,679,088.88/294,105.20
  6. Step 6: Final answer
    x = 231,042.09

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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.