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Finding the Fourth Proportional to 446,264.76, 669,404.16 and 445,608.66

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Solution

The fourth proportional to 446,264.76, 669,404.16 and 445,608.66 is: 668,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,264.76 : 669,404.16 = 445,608.66 : x
  2. Step 2: Convert to fraction form
    446,264.76/669,404.16 = 445,608.66/x
  3. Step 3: Cross multiply
    446,264.76x = 669,404.16 × 445,608.66
  4. Step 4: Simplify right side
    446,264.76x = 298,292,290,736.03
  5. Step 5: Solve for x
    x = 298,292,290,736.03/446,264.76
  6. Step 6: Final answer
    x = 668,420.00

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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.