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Finding the Fourth Proportional to 605,629.19, 908,445.15 and 568,636.09

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Solution

The fourth proportional to 605,629.19, 908,445.15 and 568,636.09 is: 852,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,629.19 : 908,445.15 = 568,636.09 : x
  2. Step 2: Convert to fraction form
    605,629.19/908,445.15 = 568,636.09/x
  3. Step 3: Cross multiply
    605,629.19x = 908,445.15 × 568,636.09
  4. Step 4: Simplify right side
    605,629.19x = 516,574,695,804.35
  5. Step 5: Solve for x
    x = 516,574,695,804.35/605,629.19
  6. Step 6: Final answer
    x = 852,955.41

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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.