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Finding the Fourth Proportional to 273,589.06, 377,709.96 and 208,547.68

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Solution

The fourth proportional to 273,589.06, 377,709.96 and 208,547.68 is: 287,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,589.06 : 377,709.96 = 208,547.68 : x
  2. Step 2: Convert to fraction form
    273,589.06/377,709.96 = 208,547.68/x
  3. Step 3: Cross multiply
    273,589.06x = 377,709.96 × 208,547.68
  4. Step 4: Simplify right side
    273,589.06x = 78,770,535,870.89
  5. Step 5: Solve for x
    x = 78,770,535,870.89/273,589.06
  6. Step 6: Final answer
    x = 287,915.52

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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.