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Finding the Fourth Proportional to 447,418.74, 671,128.24 and 368,366.92

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Solution

The fourth proportional to 447,418.74, 671,128.24 and 368,366.92 is: 552,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,418.74 : 671,128.24 = 368,366.92 : x
  2. Step 2: Convert to fraction form
    447,418.74/671,128.24 = 368,366.92/x
  3. Step 3: Cross multiply
    447,418.74x = 671,128.24 × 368,366.92
  4. Step 4: Simplify right side
    447,418.74x = 247,221,442,693.82
  5. Step 5: Solve for x
    x = 247,221,442,693.82/447,418.74
  6. Step 6: Final answer
    x = 552,550.49

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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.