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Finding the Fourth Proportional to 701,026.86, 967,417.53 and 378,736.83

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Solution

The fourth proportional to 701,026.86, 967,417.53 and 378,736.83 is: 522,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,026.86 : 967,417.53 = 378,736.83 : x
  2. Step 2: Convert to fraction form
    701,026.86/967,417.53 = 378,736.83/x
  3. Step 3: Cross multiply
    701,026.86x = 967,417.53 × 378,736.83
  4. Step 4: Simplify right side
    701,026.86x = 366,396,648,598.63
  5. Step 5: Solve for x
    x = 366,396,648,598.63/701,026.86
  6. Step 6: Final answer
    x = 522,657.08

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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.