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Finding the Fourth Proportional to 308,572.82, 462,914.13 and 109,008.98

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Solution

The fourth proportional to 308,572.82, 462,914.13 and 109,008.98 is: 163,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,572.82 : 462,914.13 = 109,008.98 : x
  2. Step 2: Convert to fraction form
    308,572.82/462,914.13 = 109,008.98/x
  3. Step 3: Cross multiply
    308,572.82x = 462,914.13 × 109,008.98
  4. Step 4: Simplify right side
    308,572.82x = 50,461,797,138.89
  5. Step 5: Solve for x
    x = 50,461,797,138.89/308,572.82
  6. Step 6: Final answer
    x = 163,532.86

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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.