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Finding the Fourth Proportional to 302,411.40, 453,179.70 and 133,793.70

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Solution

The fourth proportional to 302,411.40, 453,179.70 and 133,793.70 is: 200,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,411.40 : 453,179.70 = 133,793.70 : x
  2. Step 2: Convert to fraction form
    302,411.40/453,179.70 = 133,793.70/x
  3. Step 3: Cross multiply
    302,411.40x = 453,179.70 × 133,793.70
  4. Step 4: Simplify right side
    302,411.40x = 60,632,588,827.89
  5. Step 5: Solve for x
    x = 60,632,588,827.89/302,411.40
  6. Step 6: Final answer
    x = 200,497.03

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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.