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Finding the Fourth Proportional to 474,269.06, 654,486.54 and 259,413.32

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Solution

The fourth proportional to 474,269.06, 654,486.54 and 259,413.32 is: 357,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,269.06 : 654,486.54 = 259,413.32 : x
  2. Step 2: Convert to fraction form
    474,269.06/654,486.54 = 259,413.32/x
  3. Step 3: Cross multiply
    474,269.06x = 654,486.54 × 259,413.32
  4. Step 4: Simplify right side
    474,269.06x = 169,782,526,236.71
  5. Step 5: Solve for x
    x = 169,782,526,236.71/474,269.06
  6. Step 6: Final answer
    x = 357,987.78

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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.