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Finding the Fourth Proportional to 578,413.94, 798,219.38 and 333,263.21

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Solution

The fourth proportional to 578,413.94, 798,219.38 and 333,263.21 is: 459,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,413.94 : 798,219.38 = 333,263.21 : x
  2. Step 2: Convert to fraction form
    578,413.94/798,219.38 = 333,263.21/x
  3. Step 3: Cross multiply
    578,413.94x = 798,219.38 × 333,263.21
  4. Step 4: Simplify right side
    578,413.94x = 266,017,149,705.07
  5. Step 5: Solve for x
    x = 266,017,149,705.07/578,413.94
  6. Step 6: Final answer
    x = 459,907.92

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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.