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Finding the Fourth Proportional to 508,512.08, 762,881.52 and 166,970.72

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Solution

The fourth proportional to 508,512.08, 762,881.52 and 166,970.72 is: 250,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,512.08 : 762,881.52 = 166,970.72 : x
  2. Step 2: Convert to fraction form
    508,512.08/762,881.52 = 166,970.72/x
  3. Step 3: Cross multiply
    508,512.08x = 762,881.52 × 166,970.72
  4. Step 4: Simplify right side
    508,512.08x = 127,378,876,669.09
  5. Step 5: Solve for x
    x = 127,378,876,669.09/508,512.08
  6. Step 6: Final answer
    x = 250,493.32

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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.