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Finding the Fourth Proportional to 303,627.60, 418,995.36 and 167,659.20

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Solution

The fourth proportional to 303,627.60, 418,995.36 and 167,659.20 is: 231,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,627.60 : 418,995.36 = 167,659.20 : x
  2. Step 2: Convert to fraction form
    303,627.60/418,995.36 = 167,659.20/x
  3. Step 3: Cross multiply
    303,627.60x = 418,995.36 × 167,659.20
  4. Step 4: Simplify right side
    303,627.60x = 70,248,426,861.31
  5. Step 5: Solve for x
    x = 70,248,426,861.31/303,627.60
  6. Step 6: Final answer
    x = 231,363.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.