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Finding the Fourth Proportional to 351,026.87, 526,063.17 and 148,454.58

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Solution

The fourth proportional to 351,026.87, 526,063.17 and 148,454.58 is: 222,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,026.87 : 526,063.17 = 148,454.58 : x
  2. Step 2: Convert to fraction form
    351,026.87/526,063.17 = 148,454.58/x
  3. Step 3: Cross multiply
    351,026.87x = 526,063.17 × 148,454.58
  4. Step 4: Simplify right side
    351,026.87x = 78,096,486,955.82
  5. Step 5: Solve for x
    x = 78,096,486,955.82/351,026.87
  6. Step 6: Final answer
    x = 222,480.09

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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.