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Finding the Fourth Proportional to 302,545.40, 453,380.70 and 133,927.70

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Solution

The fourth proportional to 302,545.40, 453,380.70 and 133,927.70 is: 200,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,545.40 : 453,380.70 = 133,927.70 : x
  2. Step 2: Convert to fraction form
    302,545.40/453,380.70 = 133,927.70/x
  3. Step 3: Cross multiply
    302,545.40x = 453,380.70 × 133,927.70
  4. Step 4: Simplify right side
    302,545.40x = 60,720,234,375.39
  5. Step 5: Solve for x
    x = 60,720,234,375.39/302,545.40
  6. Step 6: Final answer
    x = 200,697.93

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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.