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Finding the Fourth Proportional to 320,368.44, 480,255.30 and 151,967.76

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Solution

The fourth proportional to 320,368.44, 480,255.30 and 151,967.76 is: 227,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,368.44 : 480,255.30 = 151,967.76 : x
  2. Step 2: Convert to fraction form
    320,368.44/480,255.30 = 151,967.76/x
  3. Step 3: Cross multiply
    320,368.44x = 480,255.30 × 151,967.76
  4. Step 4: Simplify right side
    320,368.44x = 72,983,322,169.13
  5. Step 5: Solve for x
    x = 72,983,322,169.13/320,368.44
  6. Step 6: Final answer
    x = 227,810.59

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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.