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Finding the Fourth Proportional to 308,293.88, 462,477.84 and 108,572.96

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Solution

The fourth proportional to 308,293.88, 462,477.84 and 108,572.96 is: 162,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,293.88 : 462,477.84 = 108,572.96 : x
  2. Step 2: Convert to fraction form
    308,293.88/462,477.84 = 108,572.96/x
  3. Step 3: Cross multiply
    308,293.88x = 462,477.84 × 108,572.96
  4. Step 4: Simplify right side
    308,293.88x = 50,212,588,023.21
  5. Step 5: Solve for x
    x = 50,212,588,023.21/308,293.88
  6. Step 6: Final answer
    x = 162,872.48

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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.