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Finding the Fourth Proportional to 273,660.42, 377,647.46 and 152,803.61

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Solution

The fourth proportional to 273,660.42, 377,647.46 and 152,803.61 is: 210,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,660.42 : 377,647.46 = 152,803.61 : x
  2. Step 2: Convert to fraction form
    273,660.42/377,647.46 = 152,803.61/x
  3. Step 3: Cross multiply
    273,660.42x = 377,647.46 × 152,803.61
  4. Step 4: Simplify right side
    273,660.42x = 57,705,892,543.08
  5. Step 5: Solve for x
    x = 57,705,892,543.08/273,660.42
  6. Step 6: Final answer
    x = 210,866.78

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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.