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Finding the Fourth Proportional to 273,408.15, 377,266.64 and 152,531.85

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Solution

The fourth proportional to 273,408.15, 377,266.64 and 152,531.85 is: 210,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,408.15 : 377,266.64 = 152,531.85 : x
  2. Step 2: Convert to fraction form
    273,408.15/377,266.64 = 152,531.85/x
  3. Step 3: Cross multiply
    273,408.15x = 377,266.64 × 152,531.85
  4. Step 4: Simplify right side
    273,408.15x = 57,545,177,779.82
  5. Step 5: Solve for x
    x = 57,545,177,779.82/273,408.15
  6. Step 6: Final answer
    x = 210,473.53

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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.