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Finding the Fourth Proportional to 273,886.90, 410,830.35 and 251,077.30

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Solution

The fourth proportional to 273,886.90, 410,830.35 and 251,077.30 is: 376,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,886.90 : 410,830.35 = 251,077.30 : x
  2. Step 2: Convert to fraction form
    273,886.90/410,830.35 = 251,077.30/x
  3. Step 3: Cross multiply
    273,886.90x = 410,830.35 × 251,077.30
  4. Step 4: Simplify right side
    273,886.90x = 103,150,175,036.06
  5. Step 5: Solve for x
    x = 103,150,175,036.06/273,886.90
  6. Step 6: Final answer
    x = 376,615.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.