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Finding the Fourth Proportional to 472,079.05, 708,413.83 and 191,596.30

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Solution

The fourth proportional to 472,079.05, 708,413.83 and 191,596.30 is: 287,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,079.05 : 708,413.83 = 191,596.30 : x
  2. Step 2: Convert to fraction form
    472,079.05/708,413.83 = 191,596.30/x
  3. Step 3: Cross multiply
    472,079.05x = 708,413.83 × 191,596.30
  4. Step 4: Simplify right side
    472,079.05x = 135,729,468,696.83
  5. Step 5: Solve for x
    x = 135,729,468,696.83/472,079.05
  6. Step 6: Final answer
    x = 287,514.28

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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.