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Finding the Fourth Proportional to 526,896.44, 790,343.53 and 407,127.52

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Solution

The fourth proportional to 526,896.44, 790,343.53 and 407,127.52 is: 610,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,896.44 : 790,343.53 = 407,127.52 : x
  2. Step 2: Convert to fraction form
    526,896.44/790,343.53 = 407,127.52/x
  3. Step 3: Cross multiply
    526,896.44x = 790,343.53 × 407,127.52
  4. Step 4: Simplify right side
    526,896.44x = 321,770,596,841.37
  5. Step 5: Solve for x
    x = 321,770,596,841.37/526,896.44
  6. Step 6: Final answer
    x = 610,690.39

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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.