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Finding the Fourth Proportional to 302,989.83, 418,107.15 and 167,016.75

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Solution

The fourth proportional to 302,989.83, 418,107.15 and 167,016.75 is: 230,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,989.83 : 418,107.15 = 167,016.75 : x
  2. Step 2: Convert to fraction form
    302,989.83/418,107.15 = 167,016.75/x
  3. Step 3: Cross multiply
    302,989.83x = 418,107.15 × 167,016.75
  4. Step 4: Simplify right side
    302,989.83x = 69,830,897,344.76
  5. Step 5: Solve for x
    x = 69,830,897,344.76/302,989.83
  6. Step 6: Final answer
    x = 230,472.74

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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.