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Finding the Fourth Proportional to 6,337,346.46, 8,745,384.12 and 3,620,917.50

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Solution

The fourth proportional to 6,337,346.46, 8,745,384.12 and 3,620,917.50 is: 4,996,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337,346.46 : 8,745,384.12 = 3,620,917.50 : x
  2. Step 2: Convert to fraction form
    6,337,346.46/8,745,384.12 = 3,620,917.50/x
  3. Step 3: Cross multiply
    6,337,346.46x = 8,745,384.12 × 3,620,917.50
  4. Step 4: Simplify right side
    6,337,346.46x = 31,666,314,404,330.10
  5. Step 5: Solve for x
    x = 31,666,314,404,330.10/6,337,346.46
  6. Step 6: Final answer
    x = 4,996,778.16

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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.