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Finding the Fourth Proportional to 273,520.60, 377,458.89 and 152,661.86

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Solution

The fourth proportional to 273,520.60, 377,458.89 and 152,661.86 is: 210,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,520.60 : 377,458.89 = 152,661.86 : x
  2. Step 2: Convert to fraction form
    273,520.60/377,458.89 = 152,661.86/x
  3. Step 3: Cross multiply
    273,520.60x = 377,458.89 × 152,661.86
  4. Step 4: Simplify right side
    273,520.60x = 57,623,577,299.84
  5. Step 5: Solve for x
    x = 57,623,577,299.84/273,520.60
  6. Step 6: Final answer
    x = 210,673.63

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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.