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Finding the Fourth Proportional to 3,693,292.80, 5,537,314.80 and 1,672,504.80

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Solution

The fourth proportional to 3,693,292.80, 5,537,314.80 and 1,672,504.80 is: 2,507,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693,292.80 : 5,537,314.80 = 1,672,504.80 : x
  2. Step 2: Convert to fraction form
    3,693,292.80/5,537,314.80 = 1,672,504.80/x
  3. Step 3: Cross multiply
    3,693,292.80x = 5,537,314.80 × 1,672,504.80
  4. Step 4: Simplify right side
    3,693,292.80x = 9,261,185,582,111.04
  5. Step 5: Solve for x
    x = 9,261,185,582,111.04/3,693,292.80
  6. Step 6: Final answer
    x = 2,507,568.74

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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.