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Finding the Fourth Proportional to 606,850.11, 909,993.51 and 354,203.28

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Solution

The fourth proportional to 606,850.11, 909,993.51 and 354,203.28 is: 531,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,850.11 : 909,993.51 = 354,203.28 : x
  2. Step 2: Convert to fraction form
    606,850.11/909,993.51 = 354,203.28/x
  3. Step 3: Cross multiply
    606,850.11x = 909,993.51 × 354,203.28
  4. Step 4: Simplify right side
    606,850.11x = 322,322,686,020.71
  5. Step 5: Solve for x
    x = 322,322,686,020.71/606,850.11
  6. Step 6: Final answer
    x = 531,140.52

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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.