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Finding the Fourth Proportional to 603,840.99, 905,870.85 and 248,661.27

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Solution

The fourth proportional to 603,840.99, 905,870.85 and 248,661.27 is: 373,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,840.99 : 905,870.85 = 248,661.27 : x
  2. Step 2: Convert to fraction form
    603,840.99/905,870.85 = 248,661.27/x
  3. Step 3: Cross multiply
    603,840.99x = 905,870.85 × 248,661.27
  4. Step 4: Simplify right side
    603,840.99x = 225,254,996,016.98
  5. Step 5: Solve for x
    x = 225,254,996,016.98/603,840.99
  6. Step 6: Final answer
    x = 373,036.94

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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.