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Finding the Fourth Proportional to 302,510.70, 453,747.69 and 133,981.56

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Solution

The fourth proportional to 302,510.70, 453,747.69 and 133,981.56 is: 200,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,510.70 : 453,747.69 = 133,981.56 : x
  2. Step 2: Convert to fraction form
    302,510.70/453,747.69 = 133,981.56/x
  3. Step 3: Cross multiply
    302,510.70x = 453,747.69 × 133,981.56
  4. Step 4: Simplify right side
    302,510.70x = 60,793,823,352.60
  5. Step 5: Solve for x
    x = 60,793,823,352.60/302,510.70
  6. Step 6: Final answer
    x = 200,964.21

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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.