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Finding the Fourth Proportional to 646,077.01, 969,119.16 and 575,327.56

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Solution

The fourth proportional to 646,077.01, 969,119.16 and 575,327.56 is: 862,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,077.01 : 969,119.16 = 575,327.56 : x
  2. Step 2: Convert to fraction form
    646,077.01/969,119.16 = 575,327.56/x
  3. Step 3: Cross multiply
    646,077.01x = 969,119.16 × 575,327.56
  4. Step 4: Simplify right side
    646,077.01x = 557,560,961,672.05
  5. Step 5: Solve for x
    x = 557,560,961,672.05/646,077.01
  6. Step 6: Final answer
    x = 862,994.59

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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.