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Finding the Fourth Proportional to 303,563.58, 418,909.40 and 167,595.05

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Solution

The fourth proportional to 303,563.58, 418,909.40 and 167,595.05 is: 231,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,563.58 : 418,909.40 = 167,595.05 : x
  2. Step 2: Convert to fraction form
    303,563.58/418,909.40 = 167,595.05/x
  3. Step 3: Cross multiply
    303,563.58x = 418,909.40 × 167,595.05
  4. Step 4: Simplify right side
    303,563.58x = 70,207,141,838.47
  5. Step 5: Solve for x
    x = 70,207,141,838.47/303,563.58
  6. Step 6: Final answer
    x = 231,276.56

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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.