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Finding the Fourth Proportional to 3,199,978.59, 4,799,840.44 and 1,763,509.85

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Solution

The fourth proportional to 3,199,978.59, 4,799,840.44 and 1,763,509.85 is: 2,645,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,978.59 : 4,799,840.44 = 1,763,509.85 : x
  2. Step 2: Convert to fraction form
    3,199,978.59/4,799,840.44 = 1,763,509.85/x
  3. Step 3: Cross multiply
    3,199,978.59x = 4,799,840.44 × 1,763,509.85
  4. Step 4: Simplify right side
    3,199,978.59x = 8,464,565,894,368.34
  5. Step 5: Solve for x
    x = 8,464,565,894,368.34/3,199,978.59
  6. Step 6: Final answer
    x = 2,645,194.54

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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.