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Finding the Fourth Proportional to 302,550.40, 453,134.40 and 178,134.40

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Solution

The fourth proportional to 302,550.40, 453,134.40 and 178,134.40 is: 266,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,550.40 : 453,134.40 = 178,134.40 : x
  2. Step 2: Convert to fraction form
    302,550.40/453,134.40 = 178,134.40/x
  3. Step 3: Cross multiply
    302,550.40x = 453,134.40 × 178,134.40
  4. Step 4: Simplify right side
    302,550.40x = 80,718,824,463.36
  5. Step 5: Solve for x
    x = 80,718,824,463.36/302,550.40
  6. Step 6: Final answer
    x = 266,794.64

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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.