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Finding the Fourth Proportional to 4,978,797.80, 7,466,304.92 and 2,382,437.33

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Solution

The fourth proportional to 4,978,797.80, 7,466,304.92 and 2,382,437.33 is: 3,572,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,797.80 : 7,466,304.92 = 2,382,437.33 : x
  2. Step 2: Convert to fraction form
    4,978,797.80/7,466,304.92 = 2,382,437.33/x
  3. Step 3: Cross multiply
    4,978,797.80x = 7,466,304.92 × 2,382,437.33
  4. Step 4: Simplify right side
    4,978,797.80x = 17,788,003,583,192.52
  5. Step 5: Solve for x
    x = 17,788,003,583,192.52/4,978,797.80
  6. Step 6: Final answer
    x = 3,572,750.75

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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.