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Finding the Fourth Proportional to 320,157.01, 480,262.79 and 95,502.97

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Solution

The fourth proportional to 320,157.01, 480,262.79 and 95,502.97 is: 143,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,157.01 : 480,262.79 = 95,502.97 : x
  2. Step 2: Convert to fraction form
    320,157.01/480,262.79 = 95,502.97/x
  3. Step 3: Cross multiply
    320,157.01x = 480,262.79 × 95,502.97
  4. Step 4: Simplify right side
    320,157.01x = 45,866,522,825.49
  5. Step 5: Solve for x
    x = 45,866,522,825.49/320,157.01
  6. Step 6: Final answer
    x = 143,262.59

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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.