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Finding the Fourth Proportional to 507,604.91, 700,494.77 and 281,250.41

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Solution

The fourth proportional to 507,604.91, 700,494.77 and 281,250.41 is: 388,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,604.91 : 700,494.77 = 281,250.41 : x
  2. Step 2: Convert to fraction form
    507,604.91/700,494.77 = 281,250.41/x
  3. Step 3: Cross multiply
    507,604.91x = 700,494.77 × 281,250.41
  4. Step 4: Simplify right side
    507,604.91x = 197,014,438,466.01
  5. Step 5: Solve for x
    x = 197,014,438,466.01/507,604.91
  6. Step 6: Final answer
    x = 388,125.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.