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Finding the Fourth Proportional to 312,247.52, 468,239.84 and 227,479.44

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Solution

The fourth proportional to 312,247.52, 468,239.84 and 227,479.44 is: 341,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,247.52 : 468,239.84 = 227,479.44 : x
  2. Step 2: Convert to fraction form
    312,247.52/468,239.84 = 227,479.44/x
  3. Step 3: Cross multiply
    312,247.52x = 468,239.84 × 227,479.44
  4. Step 4: Simplify right side
    312,247.52x = 106,514,936,588.89
  5. Step 5: Solve for x
    x = 106,514,936,588.89/312,247.52
  6. Step 6: Final answer
    x = 341,123.40

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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.