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Finding the Fourth Proportional to 484,431.75, 726,765.08 and 152,007.75

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Solution

The fourth proportional to 484,431.75, 726,765.08 and 152,007.75 is: 228,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,431.75 : 726,765.08 = 152,007.75 : x
  2. Step 2: Convert to fraction form
    484,431.75/726,765.08 = 152,007.75/x
  3. Step 3: Cross multiply
    484,431.75x = 726,765.08 × 152,007.75
  4. Step 4: Simplify right side
    484,431.75x = 110,473,923,829.33
  5. Step 5: Solve for x
    x = 110,473,923,829.33/484,431.75
  6. Step 6: Final answer
    x = 228,048.48

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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.