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Finding the Fourth Proportional to 308,793.40, 462,606.90 and 158,522.20

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Solution

The fourth proportional to 308,793.40, 462,606.90 and 158,522.20 is: 237,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,793.40 : 462,606.90 = 158,522.20 : x
  2. Step 2: Convert to fraction form
    308,793.40/462,606.90 = 158,522.20/x
  3. Step 3: Cross multiply
    308,793.40x = 462,606.90 × 158,522.20
  4. Step 4: Simplify right side
    308,793.40x = 73,333,463,523.18
  5. Step 5: Solve for x
    x = 73,333,463,523.18/308,793.40
  6. Step 6: Final answer
    x = 237,483.91

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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.