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Finding the Fourth Proportional to 317,427.36, 476,150.88 and 159,662.16

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Solution

The fourth proportional to 317,427.36, 476,150.88 and 159,662.16 is: 239,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,427.36 : 476,150.88 = 159,662.16 : x
  2. Step 2: Convert to fraction form
    317,427.36/476,150.88 = 159,662.16/x
  3. Step 3: Cross multiply
    317,427.36x = 476,150.88 × 159,662.16
  4. Step 4: Simplify right side
    317,427.36x = 76,023,277,986.70
  5. Step 5: Solve for x
    x = 76,023,277,986.70/317,427.36
  6. Step 6: Final answer
    x = 239,498.19

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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.