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Finding the Fourth Proportional to 1,413.94, 2,120.50 and 592.19

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Solution

The fourth proportional to 1,413.94, 2,120.50 and 592.19 is: 888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.94 : 2,120.50 = 592.19 : x
  2. Step 2: Convert to fraction form
    1,413.94/2,120.50 = 592.19/x
  3. Step 3: Cross multiply
    1,413.94x = 2,120.50 × 592.19
  4. Step 4: Simplify right side
    1,413.94x = 1,255,738.90
  5. Step 5: Solve for x
    x = 1,255,738.90/1,413.94
  6. Step 6: Final answer
    x = 888.11

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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.