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Finding the Fourth Proportional to 201,928.10, 302,892.15 and 200,545.70

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Solution

The fourth proportional to 201,928.10, 302,892.15 and 200,545.70 is: 300,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,928.10 : 302,892.15 = 200,545.70 : x
  2. Step 2: Convert to fraction form
    201,928.10/302,892.15 = 200,545.70/x
  3. Step 3: Cross multiply
    201,928.10x = 302,892.15 × 200,545.70
  4. Step 4: Simplify right side
    201,928.10x = 60,743,718,246.26
  5. Step 5: Solve for x
    x = 60,743,718,246.26/201,928.10
  6. Step 6: Final answer
    x = 300,818.55

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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.