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Finding the Fourth Proportional to 439,715.39, 606,756.24 and 246,133.94

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Solution

The fourth proportional to 439,715.39, 606,756.24 and 246,133.94 is: 339,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,715.39 : 606,756.24 = 246,133.94 : x
  2. Step 2: Convert to fraction form
    439,715.39/606,756.24 = 246,133.94/x
  3. Step 3: Cross multiply
    439,715.39x = 606,756.24 × 246,133.94
  4. Step 4: Simplify right side
    439,715.39x = 149,343,300,937.00
  5. Step 5: Solve for x
    x = 149,343,300,937.00/439,715.39
  6. Step 6: Final answer
    x = 339,636.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.