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Finding the Fourth Proportional to 357,860.62, 493,853.79 and 196,722.46

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Solution

The fourth proportional to 357,860.62, 493,853.79 and 196,722.46 is: 271,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,860.62 : 493,853.79 = 196,722.46 : x
  2. Step 2: Convert to fraction form
    357,860.62/493,853.79 = 196,722.46/x
  3. Step 3: Cross multiply
    357,860.62x = 493,853.79 × 196,722.46
  4. Step 4: Simplify right side
    357,860.62x = 97,152,132,449.12
  5. Step 5: Solve for x
    x = 97,152,132,449.12/357,860.62
  6. Step 6: Final answer
    x = 271,480.37

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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.