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Finding the Fourth Proportional to 1,752,759, 2,418,807.42 and 947,943

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Solution

The fourth proportional to 1,752,759, 2,418,807.42 and 947,943 is: 1,308,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,759 : 2,418,807.42 = 947,943 : x
  2. Step 2: Convert to fraction form
    1,752,759/2,418,807.42 = 947,943/x
  3. Step 3: Cross multiply
    1,752,759x = 2,418,807.42 × 947,943
  4. Step 4: Simplify right side
    1,752,759x = 2,292,891,562,137.06
  5. Step 5: Solve for x
    x = 2,292,891,562,137.06/1,752,759
  6. Step 6: Final answer
    x = 1,308,161.34

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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.