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Finding the Fourth Proportional to 404,411.91, 606,632.45 and 151,666.80

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Solution

The fourth proportional to 404,411.91, 606,632.45 and 151,666.80 is: 227,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,411.91 : 606,632.45 = 151,666.80 : x
  2. Step 2: Convert to fraction form
    404,411.91/606,632.45 = 151,666.80/x
  3. Step 3: Cross multiply
    404,411.91x = 606,632.45 × 151,666.80
  4. Step 4: Simplify right side
    404,411.91x = 92,006,002,467.66
  5. Step 5: Solve for x
    x = 92,006,002,467.66/404,411.91
  6. Step 6: Final answer
    x = 227,505.67

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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.