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Finding the Fourth Proportional to 404,186.70, 606,366.45 and 123,732.30

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Solution

The fourth proportional to 404,186.70, 606,366.45 and 123,732.30 is: 185,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,186.70 : 606,366.45 = 123,732.30 : x
  2. Step 2: Convert to fraction form
    404,186.70/606,366.45 = 123,732.30/x
  3. Step 3: Cross multiply
    404,186.70x = 606,366.45 × 123,732.30
  4. Step 4: Simplify right side
    404,186.70x = 75,027,115,501.34
  5. Step 5: Solve for x
    x = 75,027,115,501.34/404,186.70
  6. Step 6: Final answer
    x = 185,624.90

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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.