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Finding the Fourth Proportional to 256,500.49, 354,197.64 and 159,869.27

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Solution

The fourth proportional to 256,500.49, 354,197.64 and 159,869.27 is: 220,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,500.49 : 354,197.64 = 159,869.27 : x
  2. Step 2: Convert to fraction form
    256,500.49/354,197.64 = 159,869.27/x
  3. Step 3: Cross multiply
    256,500.49x = 354,197.64 × 159,869.27
  4. Step 4: Simplify right side
    256,500.49x = 56,625,316,371.53
  5. Step 5: Solve for x
    x = 56,625,316,371.53/256,500.49
  6. Step 6: Final answer
    x = 220,761.05

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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.