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Finding the Fourth Proportional to 349,655.52, 482,515.20 and 196,710.24

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Solution

The fourth proportional to 349,655.52, 482,515.20 and 196,710.24 is: 271,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,655.52 : 482,515.20 = 196,710.24 : x
  2. Step 2: Convert to fraction form
    349,655.52/482,515.20 = 196,710.24/x
  3. Step 3: Cross multiply
    349,655.52x = 482,515.20 × 196,710.24
  4. Step 4: Simplify right side
    349,655.52x = 94,915,680,795.65
  5. Step 5: Solve for x
    x = 94,915,680,795.65/349,655.52
  6. Step 6: Final answer
    x = 271,454.83

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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.