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Finding the Fourth Proportional to 294,005.60, 441,008.40 and 194,472.80

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Solution

The fourth proportional to 294,005.60, 441,008.40 and 194,472.80 is: 291,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,005.60 : 441,008.40 = 194,472.80 : x
  2. Step 2: Convert to fraction form
    294,005.60/441,008.40 = 194,472.80/x
  3. Step 3: Cross multiply
    294,005.60x = 441,008.40 × 194,472.80
  4. Step 4: Simplify right side
    294,005.60x = 85,764,138,371.52
  5. Step 5: Solve for x
    x = 85,764,138,371.52/294,005.60
  6. Step 6: Final answer
    x = 291,709.20

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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.