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Finding the Fourth Proportional to 363,413.72, 544,922.74 and 126,692.76

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Solution

The fourth proportional to 363,413.72, 544,922.74 and 126,692.76 is: 189,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,413.72 : 544,922.74 = 126,692.76 : x
  2. Step 2: Convert to fraction form
    363,413.72/544,922.74 = 126,692.76/x
  3. Step 3: Cross multiply
    363,413.72x = 544,922.74 × 126,692.76
  4. Step 4: Simplify right side
    363,413.72x = 69,037,765,917.36
  5. Step 5: Solve for x
    x = 69,037,765,917.36/363,413.72
  6. Step 6: Final answer
    x = 189,970.17

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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.