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Finding the Fourth Proportional to 348,336.72, 480,253.50 and 225,610.74

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Solution

The fourth proportional to 348,336.72, 480,253.50 and 225,610.74 is: 311,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,336.72 : 480,253.50 = 225,610.74 : x
  2. Step 2: Convert to fraction form
    348,336.72/480,253.50 = 225,610.74/x
  3. Step 3: Cross multiply
    348,336.72x = 480,253.50 × 225,610.74
  4. Step 4: Simplify right side
    348,336.72x = 108,350,347,522.59
  5. Step 5: Solve for x
    x = 108,350,347,522.59/348,336.72
  6. Step 6: Final answer
    x = 311,050.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.