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Finding the Fourth Proportional to 503,926.81, 695,413.04 and 274,483.37

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Solution

The fourth proportional to 503,926.81, 695,413.04 and 274,483.37 is: 378,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,926.81 : 695,413.04 = 274,483.37 : x
  2. Step 2: Convert to fraction form
    503,926.81/695,413.04 = 274,483.37/x
  3. Step 3: Cross multiply
    503,926.81x = 695,413.04 × 274,483.37
  4. Step 4: Simplify right side
    503,926.81x = 190,879,315,127.26
  5. Step 5: Solve for x
    x = 190,879,315,127.26/503,926.81
  6. Step 6: Final answer
    x = 378,783.81

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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.