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Finding the Fourth Proportional to 587,782.20, 881,673.30 and 377,830.20

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Solution

The fourth proportional to 587,782.20, 881,673.30 and 377,830.20 is: 566,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,782.20 : 881,673.30 = 377,830.20 : x
  2. Step 2: Convert to fraction form
    587,782.20/881,673.30 = 377,830.20/x
  3. Step 3: Cross multiply
    587,782.20x = 881,673.30 × 377,830.20
  4. Step 4: Simplify right side
    587,782.20x = 333,122,799,273.66
  5. Step 5: Solve for x
    x = 333,122,799,273.66/587,782.20
  6. Step 6: Final answer
    x = 566,745.30

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Similar ratio
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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.