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Finding the Fourth Proportional to 319,413.00, 479,219.29 and 94,774.56

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Solution

The fourth proportional to 319,413.00, 479,219.29 and 94,774.56 is: 142,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,413.00 : 479,219.29 = 94,774.56 : x
  2. Step 2: Convert to fraction form
    319,413.00/479,219.29 = 94,774.56/x
  3. Step 3: Cross multiply
    319,413.00x = 479,219.29 × 94,774.56
  4. Step 4: Simplify right side
    319,413.00x = 45,417,795,319.25
  5. Step 5: Solve for x
    x = 45,417,795,319.25/319,413.00
  6. Step 6: Final answer
    x = 142,191.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.