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Finding the Fourth Proportional to 616,855.92, 925,376.04 and 196,145.52

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Solution

The fourth proportional to 616,855.92, 925,376.04 and 196,145.52 is: 294,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,855.92 : 925,376.04 = 196,145.52 : x
  2. Step 2: Convert to fraction form
    616,855.92/925,376.04 = 196,145.52/x
  3. Step 3: Cross multiply
    616,855.92x = 925,376.04 × 196,145.52
  4. Step 4: Simplify right side
    616,855.92x = 181,508,364,561.34
  5. Step 5: Solve for x
    x = 181,508,364,561.34/616,855.92
  6. Step 6: Final answer
    x = 294,247.58

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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.