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Finding the Fourth Proportional to 308,003.40, 462,480.30 and 168,035.40

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Solution

The fourth proportional to 308,003.40, 462,480.30 and 168,035.40 is: 252,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,003.40 : 462,480.30 = 168,035.40 : x
  2. Step 2: Convert to fraction form
    308,003.40/462,480.30 = 168,035.40/x
  3. Step 3: Cross multiply
    308,003.40x = 462,480.30 × 168,035.40
  4. Step 4: Simplify right side
    308,003.40x = 77,713,062,202.62
  5. Step 5: Solve for x
    x = 77,713,062,202.62/308,003.40
  6. Step 6: Final answer
    x = 252,312.35

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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.