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Finding the Fourth Proportional to 273,672.15, 377,928.41 and 258,762.48

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Solution

The fourth proportional to 273,672.15, 377,928.41 and 258,762.48 is: 357,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,672.15 : 377,928.41 = 258,762.48 : x
  2. Step 2: Convert to fraction form
    273,672.15/377,928.41 = 258,762.48/x
  3. Step 3: Cross multiply
    273,672.15x = 377,928.41 × 258,762.48
  4. Step 4: Simplify right side
    273,672.15x = 97,793,692,634.06
  5. Step 5: Solve for x
    x = 97,793,692,634.06/273,672.15
  6. Step 6: Final answer
    x = 357,338.85

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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.