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Finding the Fourth Proportional to 670,447.44, 925,217.46 and 368,641.44

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Solution

The fourth proportional to 670,447.44, 925,217.46 and 368,641.44 is: 508,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,447.44 : 925,217.46 = 368,641.44 : x
  2. Step 2: Convert to fraction form
    670,447.44/925,217.46 = 368,641.44/x
  3. Step 3: Cross multiply
    670,447.44x = 925,217.46 × 368,641.44
  4. Step 4: Simplify right side
    670,447.44x = 341,073,496,767.54
  5. Step 5: Solve for x
    x = 341,073,496,767.54/670,447.44
  6. Step 6: Final answer
    x = 508,725.18

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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.