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Finding the Fourth Proportional to 422,151.88, 633,461.48 and 156,086.92

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Solution

The fourth proportional to 422,151.88, 633,461.48 and 156,086.92 is: 234,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,151.88 : 633,461.48 = 156,086.92 : x
  2. Step 2: Convert to fraction form
    422,151.88/633,461.48 = 156,086.92/x
  3. Step 3: Cross multiply
    422,151.88x = 633,461.48 × 156,086.92
  4. Step 4: Simplify right side
    422,151.88x = 98,875,051,351.84
  5. Step 5: Solve for x
    x = 98,875,051,351.84/422,151.88
  6. Step 6: Final answer
    x = 234,216.77

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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.