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Finding the Fourth Proportional to 625,362.14, 937,813.29 and 214,914.89

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Solution

The fourth proportional to 625,362.14, 937,813.29 and 214,914.89 is: 322,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,362.14 : 937,813.29 = 214,914.89 : x
  2. Step 2: Convert to fraction form
    625,362.14/937,813.29 = 214,914.89/x
  3. Step 3: Cross multiply
    625,362.14x = 937,813.29 × 214,914.89
  4. Step 4: Simplify right side
    625,362.14x = 201,550,035,371.82
  5. Step 5: Solve for x
    x = 201,550,035,371.82/625,362.14
  6. Step 6: Final answer
    x = 322,293.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.