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Finding the Fourth Proportional to 294,562.20, 441,843.30 and 72,946.20

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Solution

The fourth proportional to 294,562.20, 441,843.30 and 72,946.20 is: 109,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,562.20 : 441,843.30 = 72,946.20 : x
  2. Step 2: Convert to fraction form
    294,562.20/441,843.30 = 72,946.20/x
  3. Step 3: Cross multiply
    294,562.20x = 441,843.30 × 72,946.20
  4. Step 4: Simplify right side
    294,562.20x = 32,230,789,730.46
  5. Step 5: Solve for x
    x = 32,230,789,730.46/294,562.20
  6. Step 6: Final answer
    x = 109,419.30

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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.