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Finding the Fourth Proportional to 437,228.54, 655,934.98 and 141,717.50

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Solution

The fourth proportional to 437,228.54, 655,934.98 and 141,717.50 is: 212,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228.54 : 655,934.98 = 141,717.50 : x
  2. Step 2: Convert to fraction form
    437,228.54/655,934.98 = 141,717.50/x
  3. Step 3: Cross multiply
    437,228.54x = 655,934.98 × 141,717.50
  4. Step 4: Simplify right side
    437,228.54x = 92,957,465,528.15
  5. Step 5: Solve for x
    x = 92,957,465,528.15/437,228.54
  6. Step 6: Final answer
    x = 212,606.12

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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.