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Finding the Fourth Proportional to 397,457.37, 548,257.16 and 250,047.39

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Solution

The fourth proportional to 397,457.37, 548,257.16 and 250,047.39 is: 344,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,457.37 : 548,257.16 = 250,047.39 : x
  2. Step 2: Convert to fraction form
    397,457.37/548,257.16 = 250,047.39/x
  3. Step 3: Cross multiply
    397,457.37x = 548,257.16 × 250,047.39
  4. Step 4: Simplify right side
    397,457.37x = 137,090,270,656.58
  5. Step 5: Solve for x
    x = 137,090,270,656.58/397,457.37
  6. Step 6: Final answer
    x = 344,918.17

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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.