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Finding the Fourth Proportional to 606,715.47, 909,684.41 and 251,974.35

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Solution

The fourth proportional to 606,715.47, 909,684.41 and 251,974.35 is: 377,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,715.47 : 909,684.41 = 251,974.35 : x
  2. Step 2: Convert to fraction form
    606,715.47/909,684.41 = 251,974.35/x
  3. Step 3: Cross multiply
    606,715.47x = 909,684.41 × 251,974.35
  4. Step 4: Simplify right side
    606,715.47x = 229,217,136,655.01
  5. Step 5: Solve for x
    x = 229,217,136,655.01/606,715.47
  6. Step 6: Final answer
    x = 377,800.05

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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.