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Finding the Fourth Proportional to 557,500.80, 834,868.80 and 446,908.80

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Solution

The fourth proportional to 557,500.80, 834,868.80 and 446,908.80 is: 669,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,500.80 : 834,868.80 = 446,908.80 : x
  2. Step 2: Convert to fraction form
    557,500.80/834,868.80 = 446,908.80/x
  3. Step 3: Cross multiply
    557,500.80x = 834,868.80 × 446,908.80
  4. Step 4: Simplify right side
    557,500.80x = 373,110,213,565.44
  5. Step 5: Solve for x
    x = 373,110,213,565.44/557,500.80
  6. Step 6: Final answer
    x = 669,255.03

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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.