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Finding the Fourth Proportional to 616,870.92, 925,398.54 and 196,160.52

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Solution

The fourth proportional to 616,870.92, 925,398.54 and 196,160.52 is: 294,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,870.92 : 925,398.54 = 196,160.52 : x
  2. Step 2: Convert to fraction form
    616,870.92/925,398.54 = 196,160.52/x
  3. Step 3: Cross multiply
    616,870.92x = 925,398.54 × 196,160.52
  4. Step 4: Simplify right side
    616,870.92x = 181,526,658,813.64
  5. Step 5: Solve for x
    x = 181,526,658,813.64/616,870.92
  6. Step 6: Final answer
    x = 294,270.09

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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.