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Finding the Fourth Proportional to 442,192.97, 663,289.46 and 109,768.97

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Solution

The fourth proportional to 442,192.97, 663,289.46 and 109,768.97 is: 164,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,192.97 : 663,289.46 = 109,768.97 : x
  2. Step 2: Convert to fraction form
    442,192.97/663,289.46 = 109,768.97/x
  3. Step 3: Cross multiply
    442,192.97x = 663,289.46 × 109,768.97
  4. Step 4: Simplify right side
    442,192.97x = 72,808,596,970.76
  5. Step 5: Solve for x
    x = 72,808,596,970.76/442,192.97
  6. Step 6: Final answer
    x = 164,653.45

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Similar ratio
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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.