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Finding the Fourth Proportional to 577,323.38, 865,763.54 and 198,173.42

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Solution

The fourth proportional to 577,323.38, 865,763.54 and 198,173.42 is: 297,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,323.38 : 865,763.54 = 198,173.42 : x
  2. Step 2: Convert to fraction form
    577,323.38/865,763.54 = 198,173.42/x
  3. Step 3: Cross multiply
    577,323.38x = 865,763.54 × 198,173.42
  4. Step 4: Simplify right side
    577,323.38x = 171,571,321,633.11
  5. Step 5: Solve for x
    x = 171,571,321,633.11/577,323.38
  6. Step 6: Final answer
    x = 297,184.09

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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.