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Finding the Fourth Proportional to 401,973.96, 605,367.48 and 366,101.70

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Solution

The fourth proportional to 401,973.96, 605,367.48 and 366,101.70 is: 551,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,973.96 : 605,367.48 = 366,101.70 : x
  2. Step 2: Convert to fraction form
    401,973.96/605,367.48 = 366,101.70/x
  3. Step 3: Cross multiply
    401,973.96x = 605,367.48 × 366,101.70
  4. Step 4: Simplify right side
    401,973.96x = 221,626,063,552.72
  5. Step 5: Solve for x
    x = 221,626,063,552.72/401,973.96
  6. Step 6: Final answer
    x = 551,344.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.