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Finding the Fourth Proportional to 317,399.60, 476,099.40 and 317,399.60

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Solution

The fourth proportional to 317,399.60, 476,099.40 and 317,399.60 is: 476,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,399.60 : 476,099.40 = 317,399.60 : x
  2. Step 2: Convert to fraction form
    317,399.60/476,099.40 = 317,399.60/x
  3. Step 3: Cross multiply
    317,399.60x = 476,099.40 × 317,399.60
  4. Step 4: Simplify right side
    317,399.60x = 151,113,759,120.24
  5. Step 5: Solve for x
    x = 151,113,759,120.24/317,399.60
  6. Step 6: Final answer
    x = 476,099.40

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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.