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Finding the Fourth Proportional to 2,650,598.22, 3,975,896.72 and 757,339.68

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Solution

The fourth proportional to 2,650,598.22, 3,975,896.72 and 757,339.68 is: 1,136,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,598.22 : 3,975,896.72 = 757,339.68 : x
  2. Step 2: Convert to fraction form
    2,650,598.22/3,975,896.72 = 757,339.68/x
  3. Step 3: Cross multiply
    2,650,598.22x = 3,975,896.72 × 757,339.68
  4. Step 4: Simplify right side
    2,650,598.22x = 3,011,104,325,971.67
  5. Step 5: Solve for x
    x = 3,011,104,325,971.67/2,650,598.22
  6. Step 6: Final answer
    x = 1,136,009.34

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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.