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Finding the Fourth Proportional to 447,848.82, 618,003.30 and 246,644.82

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Solution

The fourth proportional to 447,848.82, 618,003.30 and 246,644.82 is: 340,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,848.82 : 618,003.30 = 246,644.82 : x
  2. Step 2: Convert to fraction form
    447,848.82/618,003.30 = 246,644.82/x
  3. Step 3: Cross multiply
    447,848.82x = 618,003.30 × 246,644.82
  4. Step 4: Simplify right side
    447,848.82x = 152,427,312,687.91
  5. Step 5: Solve for x
    x = 152,427,312,687.91/447,848.82
  6. Step 6: Final answer
    x = 340,354.39

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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.