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Finding the Fourth Proportional to 439,451.18, 606,426.06 and 248,468.68

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Solution

The fourth proportional to 439,451.18, 606,426.06 and 248,468.68 is: 342,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,451.18 : 606,426.06 = 248,468.68 : x
  2. Step 2: Convert to fraction form
    439,451.18/606,426.06 = 248,468.68/x
  3. Step 3: Cross multiply
    439,451.18x = 606,426.06 × 248,468.68
  4. Step 4: Simplify right side
    439,451.18x = 150,677,882,645.80
  5. Step 5: Solve for x
    x = 150,677,882,645.80/439,451.18
  6. Step 6: Final answer
    x = 342,877.41

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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.