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Finding the Fourth Proportional to 533,194.98, 735,786.73 and 315,544.74

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Solution

The fourth proportional to 533,194.98, 735,786.73 and 315,544.74 is: 435,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,194.98 : 735,786.73 = 315,544.74 : x
  2. Step 2: Convert to fraction form
    533,194.98/735,786.73 = 315,544.74/x
  3. Step 3: Cross multiply
    533,194.98x = 735,786.73 × 315,544.74
  4. Step 4: Simplify right side
    533,194.98x = 232,173,632,413.30
  5. Step 5: Solve for x
    x = 232,173,632,413.30/533,194.98
  6. Step 6: Final answer
    x = 435,438.52

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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.