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Finding the Fourth Proportional to 1,347,444, 1,859,476.32 and 743,832

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Solution

The fourth proportional to 1,347,444, 1,859,476.32 and 743,832 is: 1,026,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,444 : 1,859,476.32 = 743,832 : x
  2. Step 2: Convert to fraction form
    1,347,444/1,859,476.32 = 743,832/x
  3. Step 3: Cross multiply
    1,347,444x = 1,859,476.32 × 743,832
  4. Step 4: Simplify right side
    1,347,444x = 1,383,137,990,058.24
  5. Step 5: Solve for x
    x = 1,383,137,990,058.24/1,347,444
  6. Step 6: Final answer
    x = 1,026,490.15

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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.