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Finding the Fourth Proportional to 468,404.64, 702,626.39 and 135,980.64

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Solution

The fourth proportional to 468,404.64, 702,626.39 and 135,980.64 is: 203,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,404.64 : 702,626.39 = 135,980.64 : x
  2. Step 2: Convert to fraction form
    468,404.64/702,626.39 = 135,980.64/x
  3. Step 3: Cross multiply
    468,404.64x = 702,626.39 × 135,980.64
  4. Step 4: Simplify right side
    468,404.64x = 95,543,585,513.19
  5. Step 5: Solve for x
    x = 95,543,585,513.19/468,404.64
  6. Step 6: Final answer
    x = 203,976.60

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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.