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Finding the Fourth Proportional to 447,579.54, 671,209.41 and 148,004.82

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Solution

The fourth proportional to 447,579.54, 671,209.41 and 148,004.82 is: 221,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,579.54 : 671,209.41 = 148,004.82 : x
  2. Step 2: Convert to fraction form
    447,579.54/671,209.41 = 148,004.82/x
  3. Step 3: Cross multiply
    447,579.54x = 671,209.41 × 148,004.82
  4. Step 4: Simplify right side
    447,579.54x = 99,342,227,909.36
  5. Step 5: Solve for x
    x = 99,342,227,909.36/447,579.54
  6. Step 6: Final answer
    x = 221,954.35

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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.