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Finding the Fourth Proportional to 247,195.40, 371,570.70 and 242,529.80

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Solution

The fourth proportional to 247,195.40, 371,570.70 and 242,529.80 is: 364,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,195.40 : 371,570.70 = 242,529.80 : x
  2. Step 2: Convert to fraction form
    247,195.40/371,570.70 = 242,529.80/x
  3. Step 3: Cross multiply
    247,195.40x = 371,570.70 × 242,529.80
  4. Step 4: Simplify right side
    247,195.40x = 90,116,967,556.86
  5. Step 5: Solve for x
    x = 90,116,967,556.86/247,195.40
  6. Step 6: Final answer
    x = 364,557.62

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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.