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Finding the Fourth Proportional to 1,747,364.94, 2,412,107.51 and 1,174,737.20

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Solution

The fourth proportional to 1,747,364.94, 2,412,107.51 and 1,174,737.20 is: 1,621,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,364.94 : 2,412,107.51 = 1,174,737.20 : x
  2. Step 2: Convert to fraction form
    1,747,364.94/2,412,107.51 = 1,174,737.20/x
  3. Step 3: Cross multiply
    1,747,364.94x = 2,412,107.51 × 1,174,737.20
  4. Step 4: Simplify right side
    1,747,364.94x = 2,833,592,404,462.15
  5. Step 5: Solve for x
    x = 2,833,592,404,462.15/1,747,364.94
  6. Step 6: Final answer
    x = 1,621,637.44

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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.