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Finding the Fourth Proportional to 508,472.80, 762,231.66 and 171,277.48

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Solution

The fourth proportional to 508,472.80, 762,231.66 and 171,277.48 is: 256,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,472.80 : 762,231.66 = 171,277.48 : x
  2. Step 2: Convert to fraction form
    508,472.80/762,231.66 = 171,277.48/x
  3. Step 3: Cross multiply
    508,472.80x = 762,231.66 × 171,277.48
  4. Step 4: Simplify right side
    508,472.80x = 130,553,117,901.02
  5. Step 5: Solve for x
    x = 130,553,117,901.02/508,472.80
  6. Step 6: Final answer
    x = 256,755.36

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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.