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Finding the Fourth Proportional to 303,118.47, 418,327.34 and 167,164.83

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Solution

The fourth proportional to 303,118.47, 418,327.34 and 167,164.83 is: 230,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,118.47 : 418,327.34 = 167,164.83 : x
  2. Step 2: Convert to fraction form
    303,118.47/418,327.34 = 167,164.83/x
  3. Step 3: Cross multiply
    303,118.47x = 418,327.34 × 167,164.83
  4. Step 4: Simplify right side
    303,118.47x = 69,929,617,839.63
  5. Step 5: Solve for x
    x = 69,929,617,839.63/303,118.47
  6. Step 6: Final answer
    x = 230,700.62

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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.