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Finding the Fourth Proportional to 646,083.01, 969,128.16 and 575,333.56

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Solution

The fourth proportional to 646,083.01, 969,128.16 and 575,333.56 is: 863,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,083.01 : 969,128.16 = 575,333.56 : x
  2. Step 2: Convert to fraction form
    646,083.01/969,128.16 = 575,333.56/x
  3. Step 3: Cross multiply
    646,083.01x = 969,128.16 × 575,333.56
  4. Step 4: Simplify right side
    646,083.01x = 557,571,954,389.05
  5. Step 5: Solve for x
    x = 557,571,954,389.05/646,083.01
  6. Step 6: Final answer
    x = 863,003.59

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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.