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Finding the Fourth Proportional to 574,534.56, 860,181.60 and 304,050

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Solution

The fourth proportional to 574,534.56, 860,181.60 and 304,050 is: 455,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,534.56 : 860,181.60 = 304,050 : x
  2. Step 2: Convert to fraction form
    574,534.56/860,181.60 = 304,050/x
  3. Step 3: Cross multiply
    574,534.56x = 860,181.60 × 304,050
  4. Step 4: Simplify right side
    574,534.56x = 261,538,215,480
  5. Step 5: Solve for x
    x = 261,538,215,480/574,534.56
  6. Step 6: Final answer
    x = 455,217.55

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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.