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Finding the Fourth Proportional to 349,748.97, 482,664.47 and 198,855.69

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Solution

The fourth proportional to 349,748.97, 482,664.47 and 198,855.69 is: 274,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,748.97 : 482,664.47 = 198,855.69 : x
  2. Step 2: Convert to fraction form
    349,748.97/482,664.47 = 198,855.69/x
  3. Step 3: Cross multiply
    349,748.97x = 482,664.47 × 198,855.69
  4. Step 4: Simplify right side
    349,748.97x = 95,980,575,226.06
  5. Step 5: Solve for x
    x = 95,980,575,226.06/349,748.97
  6. Step 6: Final answer
    x = 274,427.04

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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.