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Finding the Fourth Proportional to 446,745.28, 670,200.93 and 147,246.89

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Solution

The fourth proportional to 446,745.28, 670,200.93 and 147,246.89 is: 220,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,745.28 : 670,200.93 = 147,246.89 : x
  2. Step 2: Convert to fraction form
    446,745.28/670,200.93 = 147,246.89/x
  3. Step 3: Cross multiply
    446,745.28x = 670,200.93 × 147,246.89
  4. Step 4: Simplify right side
    446,745.28x = 98,685,002,617.61
  5. Step 5: Solve for x
    x = 98,685,002,617.61/446,745.28
  6. Step 6: Final answer
    x = 220,897.70

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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.