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Finding the Fourth Proportional to 533,773.80, 800,689.86 and 178,755.66

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Solution

The fourth proportional to 533,773.80, 800,689.86 and 178,755.66 is: 268,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,773.80 : 800,689.86 = 178,755.66 : x
  2. Step 2: Convert to fraction form
    533,773.80/800,689.86 = 178,755.66/x
  3. Step 3: Cross multiply
    533,773.80x = 800,689.86 × 178,755.66
  4. Step 4: Simplify right side
    533,773.80x = 143,127,844,379.61
  5. Step 5: Solve for x
    x = 143,127,844,379.61/533,773.80
  6. Step 6: Final answer
    x = 268,143.26

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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.