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Finding the Fourth Proportional to 603,299.44, 905,065.72 and 229,293.28

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Solution

The fourth proportional to 603,299.44, 905,065.72 and 229,293.28 is: 343,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,299.44 : 905,065.72 = 229,293.28 : x
  2. Step 2: Convert to fraction form
    603,299.44/905,065.72 = 229,293.28/x
  3. Step 3: Cross multiply
    603,299.44x = 905,065.72 × 229,293.28
  4. Step 4: Simplify right side
    603,299.44x = 207,525,487,554.36
  5. Step 5: Solve for x
    x = 207,525,487,554.36/603,299.44
  6. Step 6: Final answer
    x = 343,984.22

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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.