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Finding the Fourth Proportional to 603,783.75, 905,785.02 and 248,604.06

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Solution

The fourth proportional to 603,783.75, 905,785.02 and 248,604.06 is: 372,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,783.75 : 905,785.02 = 248,604.06 : x
  2. Step 2: Convert to fraction form
    603,783.75/905,785.02 = 248,604.06/x
  3. Step 3: Cross multiply
    603,783.75x = 905,785.02 × 248,604.06
  4. Step 4: Simplify right side
    603,783.75x = 225,181,833,459.18
  5. Step 5: Solve for x
    x = 225,181,833,459.18/603,783.75
  6. Step 6: Final answer
    x = 372,951.13

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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.