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Finding the Fourth Proportional to 676,637.43, 933,745.37 and 370,698.92

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Solution

The fourth proportional to 676,637.43, 933,745.37 and 370,698.92 is: 511,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,637.43 : 933,745.37 = 370,698.92 : x
  2. Step 2: Convert to fraction form
    676,637.43/933,745.37 = 370,698.92/x
  3. Step 3: Cross multiply
    676,637.43x = 933,745.37 × 370,698.92
  4. Step 4: Simplify right side
    676,637.43x = 346,138,393,691.78
  5. Step 5: Solve for x
    x = 346,138,393,691.78/676,637.43
  6. Step 6: Final answer
    x = 511,556.67

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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.