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Finding the Fourth Proportional to 700,877.82, 967,211.26 and 378,587.93

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Solution

The fourth proportional to 700,877.82, 967,211.26 and 378,587.93 is: 522,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,877.82 : 967,211.26 = 378,587.93 : x
  2. Step 2: Convert to fraction form
    700,877.82/967,211.26 = 378,587.93/x
  3. Step 3: Cross multiply
    700,877.82x = 967,211.26 × 378,587.93
  4. Step 4: Simplify right side
    700,877.82x = 366,174,508,796.09
  5. Step 5: Solve for x
    x = 366,174,508,796.09/700,877.82
  6. Step 6: Final answer
    x = 522,451.27

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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.