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Finding the Fourth Proportional to 323,138.08, 484,780.83 and 98,518.60

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Solution

The fourth proportional to 323,138.08, 484,780.83 and 98,518.60 is: 147,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,138.08 : 484,780.83 = 98,518.60 : x
  2. Step 2: Convert to fraction form
    323,138.08/484,780.83 = 98,518.60/x
  3. Step 3: Cross multiply
    323,138.08x = 484,780.83 × 98,518.60
  4. Step 4: Simplify right side
    323,138.08x = 47,759,928,678.44
  5. Step 5: Solve for x
    x = 47,759,928,678.44/323,138.08
  6. Step 6: Final answer
    x = 147,800.37

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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.