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Finding the Fourth Proportional to 474,032.40, 709,896.60 and 251,926.80

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Solution

The fourth proportional to 474,032.40, 709,896.60 and 251,926.80 is: 377,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,032.40 : 709,896.60 = 251,926.80 : x
  2. Step 2: Convert to fraction form
    474,032.40/709,896.60 = 251,926.80/x
  3. Step 3: Cross multiply
    474,032.40x = 709,896.60 × 251,926.80
  4. Step 4: Simplify right side
    474,032.40x = 178,841,978,768.88
  5. Step 5: Solve for x
    x = 178,841,978,768.88/474,032.40
  6. Step 6: Final answer
    x = 377,277.96

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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.