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Finding the Fourth Proportional to 437,980, 604,413.84 and 236,777.44

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Solution

The fourth proportional to 437,980, 604,413.84 and 236,777.44 is: 326,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,980 : 604,413.84 = 236,777.44 : x
  2. Step 2: Convert to fraction form
    437,980/604,413.84 = 236,777.44/x
  3. Step 3: Cross multiply
    437,980x = 604,413.84 × 236,777.44
  4. Step 4: Simplify right side
    437,980x = 143,111,561,735.77
  5. Step 5: Solve for x
    x = 143,111,561,735.77/437,980
  6. Step 6: Final answer
    x = 326,753.65

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1.5x scale

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.