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Finding the Fourth Proportional to 349,383.77, 482,146.70 and 196,422.65

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Solution

The fourth proportional to 349,383.77, 482,146.70 and 196,422.65 is: 271,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,383.77 : 482,146.70 = 196,422.65 : x
  2. Step 2: Convert to fraction form
    349,383.77/482,146.70 = 196,422.65/x
  3. Step 3: Cross multiply
    349,383.77x = 482,146.70 × 196,422.65
  4. Step 4: Simplify right side
    349,383.77x = 94,704,532,502.76
  5. Step 5: Solve for x
    x = 94,704,532,502.76/349,383.77
  6. Step 6: Final answer
    x = 271,061.63

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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.