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Finding the Fourth Proportional to 228,953.24, 341,745.52 and 212,908.76

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Solution

The fourth proportional to 228,953.24, 341,745.52 and 212,908.76 is: 317,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,953.24 : 341,745.52 = 212,908.76 : x
  2. Step 2: Convert to fraction form
    228,953.24/341,745.52 = 212,908.76/x
  3. Step 3: Cross multiply
    228,953.24x = 341,745.52 × 212,908.76
  4. Step 4: Simplify right side
    228,953.24x = 72,760,614,898.76
  5. Step 5: Solve for x
    x = 72,760,614,898.76/228,953.24
  6. Step 6: Final answer
    x = 317,796.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.