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Finding the Fourth Proportional to 447,886.88, 672,119.36 and 163,553.64

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Solution

The fourth proportional to 447,886.88, 672,119.36 and 163,553.64 is: 245,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,886.88 : 672,119.36 = 163,553.64 : x
  2. Step 2: Convert to fraction form
    447,886.88/672,119.36 = 163,553.64/x
  3. Step 3: Cross multiply
    447,886.88x = 672,119.36 × 163,553.64
  4. Step 4: Simplify right side
    447,886.88x = 109,927,567,024.70
  5. Step 5: Solve for x
    x = 109,927,567,024.70/447,886.88
  6. Step 6: Final answer
    x = 245,436.01

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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.