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Finding the Fourth Proportional to 437,143.98, 655,717.14 and 121,600.92

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Solution

The fourth proportional to 437,143.98, 655,717.14 and 121,600.92 is: 182,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,143.98 : 655,717.14 = 121,600.92 : x
  2. Step 2: Convert to fraction form
    437,143.98/655,717.14 = 121,600.92/x
  3. Step 3: Cross multiply
    437,143.98x = 655,717.14 × 121,600.92
  4. Step 4: Simplify right side
    437,143.98x = 79,735,807,483.77
  5. Step 5: Solve for x
    x = 79,735,807,483.77/437,143.98
  6. Step 6: Final answer
    x = 182,401.71

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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.