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Finding the Fourth Proportional to 447,053.48, 616,921.50 and 245,849.48

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Solution

The fourth proportional to 447,053.48, 616,921.50 and 245,849.48 is: 339,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,053.48 : 616,921.50 = 245,849.48 : x
  2. Step 2: Convert to fraction form
    447,053.48/616,921.50 = 245,849.48/x
  3. Step 3: Cross multiply
    447,053.48x = 616,921.50 × 245,849.48
  4. Step 4: Simplify right side
    447,053.48x = 151,669,829,975.82
  5. Step 5: Solve for x
    x = 151,669,829,975.82/447,053.48
  6. Step 6: Final answer
    x = 339,265.52

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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.