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Finding the Fourth Proportional to 360,021.17, 496,829.50 and 196,679.93

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Solution

The fourth proportional to 360,021.17, 496,829.50 and 196,679.93 is: 271,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,021.17 : 496,829.50 = 196,679.93 : x
  2. Step 2: Convert to fraction form
    360,021.17/496,829.50 = 196,679.93/x
  3. Step 3: Cross multiply
    360,021.17x = 496,829.50 × 196,679.93
  4. Step 4: Simplify right side
    360,021.17x = 97,716,388,306.09
  5. Step 5: Solve for x
    x = 97,716,388,306.09/360,021.17
  6. Step 6: Final answer
    x = 271,418.45

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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.