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Finding the Fourth Proportional to 302,616.96, 453,867 and 92,276.16

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Solution

The fourth proportional to 302,616.96, 453,867 and 92,276.16 is: 138,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,616.96 : 453,867 = 92,276.16 : x
  2. Step 2: Convert to fraction form
    302,616.96/453,867 = 92,276.16/x
  3. Step 3: Cross multiply
    302,616.96x = 453,867 × 92,276.16
  4. Step 4: Simplify right side
    302,616.96x = 41,881,103,910.72
  5. Step 5: Solve for x
    x = 41,881,103,910.72/302,616.96
  6. Step 6: Final answer
    x = 138,396.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.