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Finding the Fourth Proportional to 1,342,764.75, 1,853,039.01 and 730,935.10

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Solution

The fourth proportional to 1,342,764.75, 1,853,039.01 and 730,935.10 is: 1,008,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,764.75 : 1,853,039.01 = 730,935.10 : x
  2. Step 2: Convert to fraction form
    1,342,764.75/1,853,039.01 = 730,935.10/x
  3. Step 3: Cross multiply
    1,342,764.75x = 1,853,039.01 × 730,935.10
  4. Step 4: Simplify right side
    1,342,764.75x = 1,354,451,259,135.56
  5. Step 5: Solve for x
    x = 1,354,451,259,135.56/1,342,764.75
  6. Step 6: Final answer
    x = 1,008,703.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.