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Finding the Fourth Proportional to 6,463,254.58, 8,919,289.14 and 3,562,693.90

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Solution

The fourth proportional to 6,463,254.58, 8,919,289.14 and 3,562,693.90 is: 4,916,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,254.58 : 8,919,289.14 = 3,562,693.90 : x
  2. Step 2: Convert to fraction form
    6,463,254.58/8,919,289.14 = 3,562,693.90/x
  3. Step 3: Cross multiply
    6,463,254.58x = 8,919,289.14 × 3,562,693.90
  4. Step 4: Simplify right side
    6,463,254.58x = 31,776,697,011,414.25
  5. Step 5: Solve for x
    x = 31,776,697,011,414.25/6,463,254.58
  6. Step 6: Final answer
    x = 4,916,516.38

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Why These Related Problems?

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