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Finding the Fourth Proportional to 296,238.47, 444,401.44 and 85,849.07

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Solution

The fourth proportional to 296,238.47, 444,401.44 and 85,849.07 is: 128,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,238.47 : 444,401.44 = 85,849.07 : x
  2. Step 2: Convert to fraction form
    296,238.47/444,401.44 = 85,849.07/x
  3. Step 3: Cross multiply
    296,238.47x = 444,401.44 × 85,849.07
  4. Step 4: Simplify right side
    296,238.47x = 38,151,447,894.03
  5. Step 5: Solve for x
    x = 38,151,447,894.03/296,238.47
  6. Step 6: Final answer
    x = 128,786.27

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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.