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Finding the Fourth Proportional to 616,848.82, 925,232.22 and 212,002.31

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Solution

The fourth proportional to 616,848.82, 925,232.22 and 212,002.31 is: 317,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,848.82 : 925,232.22 = 212,002.31 : x
  2. Step 2: Convert to fraction form
    616,848.82/925,232.22 = 212,002.31/x
  3. Step 3: Cross multiply
    616,848.82x = 925,232.22 × 212,002.31
  4. Step 4: Simplify right side
    616,848.82x = 196,151,370,239.51
  5. Step 5: Solve for x
    x = 196,151,370,239.51/616,848.82
  6. Step 6: Final answer
    x = 317,989.38

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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.