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Finding the Fourth Proportional to 349,573.20, 482,351.40 and 196,571.76

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Solution

The fourth proportional to 349,573.20, 482,351.40 and 196,571.76 is: 271,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,573.20 : 482,351.40 = 196,571.76 : x
  2. Step 2: Convert to fraction form
    349,573.20/482,351.40 = 196,571.76/x
  3. Step 3: Cross multiply
    349,573.20x = 482,351.40 × 196,571.76
  4. Step 4: Simplify right side
    349,573.20x = 94,816,663,636.46
  5. Step 5: Solve for x
    x = 94,816,663,636.46/349,573.20
  6. Step 6: Final answer
    x = 271,235.51

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1.5x scale

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.