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Finding the Fourth Proportional to 438,696, 605,494.04 and 301,063.23

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Solution

The fourth proportional to 438,696, 605,494.04 and 301,063.23 is: 415,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,696 : 605,494.04 = 301,063.23 : x
  2. Step 2: Convert to fraction form
    438,696/605,494.04 = 301,063.23/x
  3. Step 3: Cross multiply
    438,696x = 605,494.04 × 301,063.23
  4. Step 4: Simplify right side
    438,696x = 182,291,989,922.83
  5. Step 5: Solve for x
    x = 182,291,989,922.83/438,696
  6. Step 6: Final answer
    x = 415,531.46

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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.