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Finding the Fourth Proportional to 317,657.32, 476,456.38 and 107,297.08

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Solution

The fourth proportional to 317,657.32, 476,456.38 and 107,297.08 is: 160,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,657.32 : 476,456.38 = 107,297.08 : x
  2. Step 2: Convert to fraction form
    317,657.32/476,456.38 = 107,297.08/x
  3. Step 3: Cross multiply
    317,657.32x = 476,456.38 × 107,297.08
  4. Step 4: Simplify right side
    317,657.32x = 51,122,378,321.37
  5. Step 5: Solve for x
    x = 51,122,378,321.37/317,657.32
  6. Step 6: Final answer
    x = 160,935.62

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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.