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Finding the Fourth Proportional to 256,497.49, 354,193.50 and 159,866.27

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Solution

The fourth proportional to 256,497.49, 354,193.50 and 159,866.27 is: 220,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,497.49 : 354,193.50 = 159,866.27 : x
  2. Step 2: Convert to fraction form
    256,497.49/354,193.50 = 159,866.27/x
  3. Step 3: Cross multiply
    256,497.49x = 354,193.50 × 159,866.27
  4. Step 4: Simplify right side
    256,497.49x = 56,623,591,932.28
  5. Step 5: Solve for x
    x = 56,623,591,932.28/256,497.49
  6. Step 6: Final answer
    x = 220,756.91

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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.