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Finding the Fourth Proportional to 606,876.86, 909,554.10 and 321,863.94

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Solution

The fourth proportional to 606,876.86, 909,554.10 and 321,863.94 is: 482,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,876.86 : 909,554.10 = 321,863.94 : x
  2. Step 2: Convert to fraction form
    606,876.86/909,554.10 = 321,863.94/x
  3. Step 3: Cross multiply
    606,876.86x = 909,554.10 × 321,863.94
  4. Step 4: Simplify right side
    606,876.86x = 292,752,666,269.15
  5. Step 5: Solve for x
    x = 292,752,666,269.15/606,876.86
  6. Step 6: Final answer
    x = 482,392.20

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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.