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Finding the Fourth Proportional to 273,543.28, 377,384.16 and 171,390.63

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Solution

The fourth proportional to 273,543.28, 377,384.16 and 171,390.63 is: 236,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,543.28 : 377,384.16 = 171,390.63 : x
  2. Step 2: Convert to fraction form
    273,543.28/377,384.16 = 171,390.63/x
  3. Step 3: Cross multiply
    273,543.28x = 377,384.16 × 171,390.63
  4. Step 4: Simplify right side
    273,543.28x = 64,680,110,992.33
  5. Step 5: Solve for x
    x = 64,680,110,992.33/273,543.28
  6. Step 6: Final answer
    x = 236,452.94

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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.