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Finding the Fourth Proportional to 6,463,254.08, 8,919,288.45 and 3,562,693.40

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Solution

The fourth proportional to 6,463,254.08, 8,919,288.45 and 3,562,693.40 is: 4,916,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,254.08 : 8,919,288.45 = 3,562,693.40 : x
  2. Step 2: Convert to fraction form
    6,463,254.08/8,919,288.45 = 3,562,693.40/x
  3. Step 3: Cross multiply
    6,463,254.08x = 8,919,288.45 × 3,562,693.40
  4. Step 4: Simplify right side
    6,463,254.08x = 31,776,690,048,914.79
  5. Step 5: Solve for x
    x = 31,776,690,048,914.79/6,463,254.08
  6. Step 6: Final answer
    x = 4,916,515.69

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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.