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Finding the Fourth Proportional to 606,852.69, 909,997.43 and 354,205.94

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Solution

The fourth proportional to 606,852.69, 909,997.43 and 354,205.94 is: 531,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,852.69 : 909,997.43 = 354,205.94 : x
  2. Step 2: Convert to fraction form
    606,852.69/909,997.43 = 354,205.94/x
  3. Step 3: Cross multiply
    606,852.69x = 909,997.43 × 354,205.94
  4. Step 4: Simplify right side
    606,852.69x = 322,326,488,769.72
  5. Step 5: Solve for x
    x = 322,326,488,769.72/606,852.69
  6. Step 6: Final answer
    x = 531,144.53

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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.