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Finding the Fourth Proportional to 273,307.76, 377,340.16 and 171,472.72

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Solution

The fourth proportional to 273,307.76, 377,340.16 and 171,472.72 is: 236,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,307.76 : 377,340.16 = 171,472.72 : x
  2. Step 2: Convert to fraction form
    273,307.76/377,340.16 = 171,472.72/x
  3. Step 3: Cross multiply
    273,307.76x = 377,340.16 × 171,472.72
  4. Step 4: Simplify right side
    273,307.76x = 64,703,543,600.44
  5. Step 5: Solve for x
    x = 64,703,543,600.44/273,307.76
  6. Step 6: Final answer
    x = 236,742.43

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1.5x scale

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.