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Finding the Fourth Proportional to 273,289.65, 377,315.19 and 171,454.74

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Solution

The fourth proportional to 273,289.65, 377,315.19 and 171,454.74 is: 236,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,289.65 : 377,315.19 = 171,454.74 : x
  2. Step 2: Convert to fraction form
    273,289.65/377,315.19 = 171,454.74/x
  3. Step 3: Cross multiply
    273,289.65x = 377,315.19 × 171,454.74
  4. Step 4: Simplify right side
    273,289.65x = 64,692,477,799.50
  5. Step 5: Solve for x
    x = 64,692,477,799.50/273,289.65
  6. Step 6: Final answer
    x = 236,717.63

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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.