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Finding the Fourth Proportional to 341,772.21, 512,212.41 and 247,320.54

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Solution

The fourth proportional to 341,772.21, 512,212.41 and 247,320.54 is: 370,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,772.21 : 512,212.41 = 247,320.54 : x
  2. Step 2: Convert to fraction form
    341,772.21/512,212.41 = 247,320.54/x
  3. Step 3: Cross multiply
    341,772.21x = 512,212.41 × 247,320.54
  4. Step 4: Simplify right side
    341,772.21x = 126,680,649,835.90
  5. Step 5: Solve for x
    x = 126,680,649,835.90/341,772.21
  6. Step 6: Final answer
    x = 370,658.13

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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.