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Finding the Fourth Proportional to 603,636.48, 905,484.96 and 229,688.64

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Solution

The fourth proportional to 603,636.48, 905,484.96 and 229,688.64 is: 344,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,636.48 : 905,484.96 = 229,688.64 : x
  2. Step 2: Convert to fraction form
    603,636.48/905,484.96 = 229,688.64/x
  3. Step 3: Cross multiply
    603,636.48x = 905,484.96 × 229,688.64
  4. Step 4: Simplify right side
    603,636.48x = 207,979,609,002.85
  5. Step 5: Solve for x
    x = 207,979,609,002.85/603,636.48
  6. Step 6: Final answer
    x = 344,544.47

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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.