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Finding the Fourth Proportional to 317,191.64, 475,778.34 and 117,507.60

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Solution

The fourth proportional to 317,191.64, 475,778.34 and 117,507.60 is: 176,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,191.64 : 475,778.34 = 117,507.60 : x
  2. Step 2: Convert to fraction form
    317,191.64/475,778.34 = 117,507.60/x
  3. Step 3: Cross multiply
    317,191.64x = 475,778.34 × 117,507.60
  4. Step 4: Simplify right side
    317,191.64x = 55,907,570,865.38
  5. Step 5: Solve for x
    x = 55,907,570,865.38/317,191.64
  6. Step 6: Final answer
    x = 176,258.02

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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.