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Finding the Fourth Proportional to 662,741.01, 914,608.49 and 376,287.77

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Solution

The fourth proportional to 662,741.01, 914,608.49 and 376,287.77 is: 519,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,741.01 : 914,608.49 = 376,287.77 : x
  2. Step 2: Convert to fraction form
    662,741.01/914,608.49 = 376,287.77/x
  3. Step 3: Cross multiply
    662,741.01x = 914,608.49 × 376,287.77
  4. Step 4: Simplify right side
    662,741.01x = 344,155,987,243.73
  5. Step 5: Solve for x
    x = 344,155,987,243.73/662,741.01
  6. Step 6: Final answer
    x = 519,291.82

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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.