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Finding the Fourth Proportional to 397,458.87, 548,259.21 and 250,048.89

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Solution

The fourth proportional to 397,458.87, 548,259.21 and 250,048.89 is: 344,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,458.87 : 548,259.21 = 250,048.89 : x
  2. Step 2: Convert to fraction form
    397,458.87/548,259.21 = 250,048.89/x
  3. Step 3: Cross multiply
    397,458.87x = 548,259.21 × 250,048.89
  4. Step 4: Simplify right side
    397,458.87x = 137,091,606,892.78
  5. Step 5: Solve for x
    x = 137,091,606,892.78/397,458.87
  6. Step 6: Final answer
    x = 344,920.24

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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.