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Finding the Fourth Proportional to 357,923.05, 536,853.83 and 168,338.86

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Solution

The fourth proportional to 357,923.05, 536,853.83 and 168,338.86 is: 252,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,923.05 : 536,853.83 = 168,338.86 : x
  2. Step 2: Convert to fraction form
    357,923.05/536,853.83 = 168,338.86/x
  3. Step 3: Cross multiply
    357,923.05x = 536,853.83 × 168,338.86
  4. Step 4: Simplify right side
    357,923.05x = 90,373,359,545.01
  5. Step 5: Solve for x
    x = 90,373,359,545.01/357,923.05
  6. Step 6: Final answer
    x = 252,493.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.