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Finding the Fourth Proportional to 1,171,567, 1,616,762.48 and 635,023

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Solution

The fourth proportional to 1,171,567, 1,616,762.48 and 635,023 is: 876,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,567 : 1,616,762.48 = 635,023 : x
  2. Step 2: Convert to fraction form
    1,171,567/1,616,762.48 = 635,023/x
  3. Step 3: Cross multiply
    1,171,567x = 1,616,762.48 × 635,023
  4. Step 4: Simplify right side
    1,171,567x = 1,026,681,360,337.04
  5. Step 5: Solve for x
    x = 1,026,681,360,337.04/1,171,567
  6. Step 6: Final answer
    x = 876,331.75

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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.