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Finding the Fourth Proportional to 447,103.52, 670,675.86 and 147,610.16

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Solution

The fourth proportional to 447,103.52, 670,675.86 and 147,610.16 is: 221,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,103.52 : 670,675.86 = 147,610.16 : x
  2. Step 2: Convert to fraction form
    447,103.52/670,675.86 = 147,610.16/x
  3. Step 3: Cross multiply
    447,103.52x = 670,675.86 × 147,610.16
  4. Step 4: Simplify right side
    447,103.52x = 98,998,571,002.74
  5. Step 5: Solve for x
    x = 98,998,571,002.74/447,103.52
  6. Step 6: Final answer
    x = 221,422.03

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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.