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Finding the Fourth Proportional to 447,403.91, 671,105.89 and 368,352.07

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Solution

The fourth proportional to 447,403.91, 671,105.89 and 368,352.07 is: 552,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,403.91 : 671,105.89 = 368,352.07 : x
  2. Step 2: Convert to fraction form
    447,403.91/671,105.89 = 368,352.07/x
  3. Step 3: Cross multiply
    447,403.91x = 671,105.89 × 368,352.07
  4. Step 4: Simplify right side
    447,403.91x = 247,203,243,770.69
  5. Step 5: Solve for x
    x = 247,203,243,770.69/447,403.91
  6. Step 6: Final answer
    x = 552,528.13

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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.