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Finding the Fourth Proportional to 202,279.40, 303,419.10 and 162,913.40

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Solution

The fourth proportional to 202,279.40, 303,419.10 and 162,913.40 is: 244,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.40 : 303,419.10 = 162,913.40 : x
  2. Step 2: Convert to fraction form
    202,279.40/303,419.10 = 162,913.40/x
  3. Step 3: Cross multiply
    202,279.40x = 303,419.10 × 162,913.40
  4. Step 4: Simplify right side
    202,279.40x = 49,431,037,205.94
  5. Step 5: Solve for x
    x = 49,431,037,205.94/202,279.40
  6. Step 6: Final answer
    x = 244,370.10

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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.