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Finding the Fourth Proportional to 320,597.88, 480,993.08 and 95,965.64

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Solution

The fourth proportional to 320,597.88, 480,993.08 and 95,965.64 is: 143,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,597.88 : 480,993.08 = 95,965.64 : x
  2. Step 2: Convert to fraction form
    320,597.88/480,993.08 = 95,965.64/x
  3. Step 3: Cross multiply
    320,597.88x = 480,993.08 × 95,965.64
  4. Step 4: Simplify right side
    320,597.88x = 46,158,808,757.77
  5. Step 5: Solve for x
    x = 46,158,808,757.77/320,597.88
  6. Step 6: Final answer
    x = 143,977.27

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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.