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Finding the Fourth Proportional to 325,585.64, 488,433.60 and 112,295.64

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Solution

The fourth proportional to 325,585.64, 488,433.60 and 112,295.64 is: 168,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,585.64 : 488,433.60 = 112,295.64 : x
  2. Step 2: Convert to fraction form
    325,585.64/488,433.60 = 112,295.64/x
  3. Step 3: Cross multiply
    325,585.64x = 488,433.60 × 112,295.64
  4. Step 4: Simplify right side
    325,585.64x = 54,848,963,709.50
  5. Step 5: Solve for x
    x = 54,848,963,709.50/325,585.64
  6. Step 6: Final answer
    x = 168,462.48

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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.