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Finding the Fourth Proportional to 526,788.06, 790,101.89 and 171,801.51

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Solution

The fourth proportional to 526,788.06, 790,101.89 and 171,801.51 is: 257,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.06 : 790,101.89 = 171,801.51 : x
  2. Step 2: Convert to fraction form
    526,788.06/790,101.89 = 171,801.51/x
  3. Step 3: Cross multiply
    526,788.06x = 790,101.89 × 171,801.51
  4. Step 4: Simplify right side
    526,788.06x = 135,740,693,375.84
  5. Step 5: Solve for x
    x = 135,740,693,375.84/526,788.06
  6. Step 6: Final answer
    x = 257,676.10

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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.