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Finding the Fourth Proportional to 439,397.99, 606,361.20 and 248,411.43

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Solution

The fourth proportional to 439,397.99, 606,361.20 and 248,411.43 is: 342,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,397.99 : 606,361.20 = 248,411.43 : x
  2. Step 2: Convert to fraction form
    439,397.99/606,361.20 = 248,411.43/x
  3. Step 3: Cross multiply
    439,397.99x = 606,361.20 × 248,411.43
  4. Step 4: Simplify right side
    439,397.99x = 150,627,052,788.52
  5. Step 5: Solve for x
    x = 150,627,052,788.52/439,397.99
  6. Step 6: Final answer
    x = 342,803.24

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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.