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Finding the Fourth Proportional to 343,239.62, 473,572.76 and 198,033.91

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Solution

The fourth proportional to 343,239.62, 473,572.76 and 198,033.91 is: 273,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,239.62 : 473,572.76 = 198,033.91 : x
  2. Step 2: Convert to fraction form
    343,239.62/473,572.76 = 198,033.91/x
  3. Step 3: Cross multiply
    343,239.62x = 473,572.76 × 198,033.91
  4. Step 4: Simplify right side
    343,239.62x = 93,783,462,964.43
  5. Step 5: Solve for x
    x = 93,783,462,964.43/343,239.62
  6. Step 6: Final answer
    x = 273,230.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.