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Finding the Fourth Proportional to 298,443.98, 447,384.56 and 148,542.56

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Solution

The fourth proportional to 298,443.98, 447,384.56 and 148,542.56 is: 222,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,443.98 : 447,384.56 = 148,542.56 : x
  2. Step 2: Convert to fraction form
    298,443.98/447,384.56 = 148,542.56/x
  3. Step 3: Cross multiply
    298,443.98x = 447,384.56 × 148,542.56
  4. Step 4: Simplify right side
    298,443.98x = 66,455,644,867.24
  5. Step 5: Solve for x
    x = 66,455,644,867.24/298,443.98
  6. Step 6: Final answer
    x = 222,673.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.