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Finding the Fourth Proportional to 302,725.88, 417,794.53 and 166,773.76

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Solution

The fourth proportional to 302,725.88, 417,794.53 and 166,773.76 is: 230,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,725.88 : 417,794.53 = 166,773.76 : x
  2. Step 2: Convert to fraction form
    302,725.88/417,794.53 = 166,773.76/x
  3. Step 3: Cross multiply
    302,725.88x = 417,794.53 × 166,773.76
  4. Step 4: Simplify right side
    302,725.88x = 69,677,163,214.11
  5. Step 5: Solve for x
    x = 69,677,163,214.11/302,725.88
  6. Step 6: Final answer
    x = 230,165.86

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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.