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Finding the Fourth Proportional to 1,784,847, 2,463,088.92 and 980,031

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Solution

The fourth proportional to 1,784,847, 2,463,088.92 and 980,031 is: 1,352,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,847 : 2,463,088.92 = 980,031 : x
  2. Step 2: Convert to fraction form
    1,784,847/2,463,088.92 = 980,031/x
  3. Step 3: Cross multiply
    1,784,847x = 2,463,088.92 × 980,031
  4. Step 4: Simplify right side
    1,784,847x = 2,413,903,497,356.52
  5. Step 5: Solve for x
    x = 2,413,903,497,356.52/1,784,847
  6. Step 6: Final answer
    x = 1,352,442.81

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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.