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Finding the Fourth Proportional to 303,349.68, 418,622.23 and 167,383.58

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Solution

The fourth proportional to 303,349.68, 418,622.23 and 167,383.58 is: 230,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,349.68 : 418,622.23 = 167,383.58 : x
  2. Step 2: Convert to fraction form
    303,349.68/418,622.23 = 167,383.58/x
  3. Step 3: Cross multiply
    303,349.68x = 418,622.23 × 167,383.58
  4. Step 4: Simplify right side
    303,349.68x = 70,070,488,153.08
  5. Step 5: Solve for x
    x = 70,070,488,153.08/303,349.68
  6. Step 6: Final answer
    x = 230,989.16

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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.