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Finding the Fourth Proportional to 1,792,203, 2,473,240.14 and 987,404.28

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Solution

The fourth proportional to 1,792,203, 2,473,240.14 and 987,404.28 is: 1,362,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,203 : 2,473,240.14 = 987,404.28 : x
  2. Step 2: Convert to fraction form
    1,792,203/2,473,240.14 = 987,404.28/x
  3. Step 3: Cross multiply
    1,792,203x = 2,473,240.14 × 987,404.28
  4. Step 4: Simplify right side
    1,792,203x = 2,442,087,899,703.80
  5. Step 5: Solve for x
    x = 2,442,087,899,703.80/1,792,203
  6. Step 6: Final answer
    x = 1,362,617.91

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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.