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Finding the Fourth Proportional to 439,399.49, 606,363.27 and 248,412.94

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Solution

The fourth proportional to 439,399.49, 606,363.27 and 248,412.94 is: 342,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,399.49 : 606,363.27 = 248,412.94 : x
  2. Step 2: Convert to fraction form
    439,399.49/606,363.27 = 248,412.94/x
  3. Step 3: Cross multiply
    439,399.49x = 606,363.27 × 248,412.94
  4. Step 4: Simplify right side
    439,399.49x = 150,628,482,608.71
  5. Step 5: Solve for x
    x = 150,628,482,608.71/439,399.49
  6. Step 6: Final answer
    x = 342,805.32

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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.