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Finding the Fourth Proportional to 323,453.05, 484,981.93 and 155,024.89

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Solution

The fourth proportional to 323,453.05, 484,981.93 and 155,024.89 is: 232,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,453.05 : 484,981.93 = 155,024.89 : x
  2. Step 2: Convert to fraction form
    323,453.05/484,981.93 = 155,024.89/x
  3. Step 3: Cross multiply
    323,453.05x = 484,981.93 × 155,024.89
  4. Step 4: Simplify right side
    323,453.05x = 75,184,269,331.56
  5. Step 5: Solve for x
    x = 75,184,269,331.56/323,453.05
  6. Step 6: Final answer
    x = 232,442.61

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1.5x scale

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.