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Finding the Fourth Proportional to 256,323.99, 353,720.22 and 141,600.15

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Solution

The fourth proportional to 256,323.99, 353,720.22 and 141,600.15 is: 195,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,323.99 : 353,720.22 = 141,600.15 : x
  2. Step 2: Convert to fraction form
    256,323.99/353,720.22 = 141,600.15/x
  3. Step 3: Cross multiply
    256,323.99x = 353,720.22 × 141,600.15
  4. Step 4: Simplify right side
    256,323.99x = 50,086,835,679.03
  5. Step 5: Solve for x
    x = 50,086,835,679.03/256,323.99
  6. Step 6: Final answer
    x = 195,404.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.