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Finding the Fourth Proportional to 454,147.49, 626,772.80 and 250,219.33

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Solution

The fourth proportional to 454,147.49, 626,772.80 and 250,219.33 is: 345,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,147.49 : 626,772.80 = 250,219.33 : x
  2. Step 2: Convert to fraction form
    454,147.49/626,772.80 = 250,219.33/x
  3. Step 3: Cross multiply
    454,147.49x = 626,772.80 × 250,219.33
  4. Step 4: Simplify right side
    454,147.49x = 156,830,670,078.22
  5. Step 5: Solve for x
    x = 156,830,670,078.22/454,147.49
  6. Step 6: Final answer
    x = 345,329.82

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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.