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Finding the Fourth Proportional to 6,463,709.95, 8,919,980.34 and 3,563,204.59

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Solution

The fourth proportional to 6,463,709.95, 8,919,980.34 and 3,563,204.59 is: 4,917,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,709.95 : 8,919,980.34 = 3,563,204.59 : x
  2. Step 2: Convert to fraction form
    6,463,709.95/8,919,980.34 = 3,563,204.59/x
  3. Step 3: Cross multiply
    6,463,709.95x = 8,919,980.34 × 3,563,204.59
  4. Step 4: Simplify right side
    6,463,709.95x = 31,783,714,867,897.81
  5. Step 5: Solve for x
    x = 31,783,714,867,897.81/6,463,709.95
  6. Step 6: Final answer
    x = 4,917,255.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.