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Finding the Fourth Proportional to 308,160.30, 462,240.45 and 97,814.70

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Solution

The fourth proportional to 308,160.30, 462,240.45 and 97,814.70 is: 146,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160.30 : 462,240.45 = 97,814.70 : x
  2. Step 2: Convert to fraction form
    308,160.30/462,240.45 = 97,814.70/x
  3. Step 3: Cross multiply
    308,160.30x = 462,240.45 × 97,814.70
  4. Step 4: Simplify right side
    308,160.30x = 45,213,910,944.62
  5. Step 5: Solve for x
    x = 45,213,910,944.62/308,160.30
  6. Step 6: Final answer
    x = 146,722.05

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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.