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Finding the Fourth Proportional to 441,348.94, 609,129.48 and 250,321.78

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Solution

The fourth proportional to 441,348.94, 609,129.48 and 250,321.78 is: 345,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,348.94 : 609,129.48 = 250,321.78 : x
  2. Step 2: Convert to fraction form
    441,348.94/609,129.48 = 250,321.78/x
  3. Step 3: Cross multiply
    441,348.94x = 609,129.48 × 250,321.78
  4. Step 4: Simplify right side
    441,348.94x = 152,478,375,684.07
  5. Step 5: Solve for x
    x = 152,478,375,684.07/441,348.94
  6. Step 6: Final answer
    x = 345,482.59

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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.