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Finding the Fourth Proportional to 416,335.20, 574,388.88 and 273,174.72

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Solution

The fourth proportional to 416,335.20, 574,388.88 and 273,174.72 is: 376,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,335.20 : 574,388.88 = 273,174.72 : x
  2. Step 2: Convert to fraction form
    416,335.20/574,388.88 = 273,174.72/x
  3. Step 3: Cross multiply
    416,335.20x = 574,388.88 × 273,174.72
  4. Step 4: Simplify right side
    416,335.20x = 156,908,521,465.11
  5. Step 5: Solve for x
    x = 156,908,521,465.11/416,335.20
  6. Step 6: Final answer
    x = 376,880.27

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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.