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Finding the Fourth Proportional to 446,593.70, 669,890.55 and 404,603.30

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Solution

The fourth proportional to 446,593.70, 669,890.55 and 404,603.30 is: 606,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,593.70 : 669,890.55 = 404,603.30 : x
  2. Step 2: Convert to fraction form
    446,593.70/669,890.55 = 404,603.30/x
  3. Step 3: Cross multiply
    446,593.70x = 669,890.55 × 404,603.30
  4. Step 4: Simplify right side
    446,593.70x = 271,039,927,168.82
  5. Step 5: Solve for x
    x = 271,039,927,168.82/446,593.70
  6. Step 6: Final answer
    x = 606,904.95

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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.