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Finding the Fourth Proportional to 357,303.62, 493,079.83 and 196,169.04

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Solution

The fourth proportional to 357,303.62, 493,079.83 and 196,169.04 is: 270,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,303.62 : 493,079.83 = 196,169.04 : x
  2. Step 2: Convert to fraction form
    357,303.62/493,079.83 = 196,169.04/x
  3. Step 3: Cross multiply
    357,303.62x = 493,079.83 × 196,169.04
  4. Step 4: Simplify right side
    357,303.62x = 96,726,996,955.77
  5. Step 5: Solve for x
    x = 96,726,996,955.77/357,303.62
  6. Step 6: Final answer
    x = 270,713.73

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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.