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Finding the Fourth Proportional to 700,914.90, 967,263.43 and 378,625.01

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Solution

The fourth proportional to 700,914.90, 967,263.43 and 378,625.01 is: 522,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,914.90 : 967,263.43 = 378,625.01 : x
  2. Step 2: Convert to fraction form
    700,914.90/967,263.43 = 378,625.01/x
  3. Step 3: Cross multiply
    700,914.90x = 967,263.43 × 378,625.01
  4. Step 4: Simplify right side
    700,914.90x = 366,230,125,856.38
  5. Step 5: Solve for x
    x = 366,230,125,856.38/700,914.90
  6. Step 6: Final answer
    x = 522,502.98

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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.