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Finding the Fourth Proportional to 302,332.40, 453,061.20 and 133,714.70

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Solution

The fourth proportional to 302,332.40, 453,061.20 and 133,714.70 is: 200,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,332.40 : 453,061.20 = 133,714.70 : x
  2. Step 2: Convert to fraction form
    302,332.40/453,061.20 = 133,714.70/x
  3. Step 3: Cross multiply
    302,332.40x = 453,061.20 × 133,714.70
  4. Step 4: Simplify right side
    302,332.40x = 60,580,942,439.64
  5. Step 5: Solve for x
    x = 60,580,942,439.64/302,332.40
  6. Step 6: Final answer
    x = 200,378.60

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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.