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Finding the Fourth Proportional to 2,489,270.40, 3,724,574.40 and 1,649,462.40

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Solution

The fourth proportional to 2,489,270.40, 3,724,574.40 and 1,649,462.40 is: 2,468,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,270.40 : 3,724,574.40 = 1,649,462.40 : x
  2. Step 2: Convert to fraction form
    2,489,270.40/3,724,574.40 = 1,649,462.40/x
  3. Step 3: Cross multiply
    2,489,270.40x = 3,724,574.40 × 1,649,462.40
  4. Step 4: Simplify right side
    2,489,270.40x = 6,143,545,428,802.56
  5. Step 5: Solve for x
    x = 6,143,545,428,802.56/2,489,270.40
  6. Step 6: Final answer
    x = 2,468,010.48

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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.