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Finding the Fourth Proportional to 273,379.64, 377,274.84 and 152,531.49

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Solution

The fourth proportional to 273,379.64, 377,274.84 and 152,531.49 is: 210,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,379.64 : 377,274.84 = 152,531.49 : x
  2. Step 2: Convert to fraction form
    273,379.64/377,274.84 = 152,531.49/x
  3. Step 3: Cross multiply
    273,379.64x = 377,274.84 × 152,531.49
  4. Step 4: Simplify right side
    273,379.64x = 57,546,292,634.32
  5. Step 5: Solve for x
    x = 57,546,292,634.32/273,379.64
  6. Step 6: Final answer
    x = 210,499.55

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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.