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Finding the Fourth Proportional to 533,331.53, 735,983.38 and 315,551.43

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Solution

The fourth proportional to 533,331.53, 735,983.38 and 315,551.43 is: 435,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,331.53 : 735,983.38 = 315,551.43 : x
  2. Step 2: Convert to fraction form
    533,331.53/735,983.38 = 315,551.43/x
  3. Step 3: Cross multiply
    533,331.53x = 735,983.38 × 315,551.43
  4. Step 4: Simplify right side
    533,331.53x = 232,240,608,015.23
  5. Step 5: Solve for x
    x = 232,240,608,015.23/533,331.53
  6. Step 6: Final answer
    x = 435,452.61

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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.