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Finding the Fourth Proportional to 439,448.72, 658,419.70 and 295,083.94

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Solution

The fourth proportional to 439,448.72, 658,419.70 and 295,083.94 is: 442,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,448.72 : 658,419.70 = 295,083.94 : x
  2. Step 2: Convert to fraction form
    439,448.72/658,419.70 = 295,083.94/x
  3. Step 3: Cross multiply
    439,448.72x = 658,419.70 × 295,083.94
  4. Step 4: Simplify right side
    439,448.72x = 194,289,077,603.57
  5. Step 5: Solve for x
    x = 194,289,077,603.57/439,448.72
  6. Step 6: Final answer
    x = 442,120.02

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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.