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Finding the Fourth Proportional to 334,357.70, 461,413.57 and 191,120.81

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Solution

The fourth proportional to 334,357.70, 461,413.57 and 191,120.81 is: 263,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,357.70 : 461,413.57 = 191,120.81 : x
  2. Step 2: Convert to fraction form
    334,357.70/461,413.57 = 191,120.81/x
  3. Step 3: Cross multiply
    334,357.70x = 461,413.57 × 191,120.81
  4. Step 4: Simplify right side
    334,357.70x = 88,185,735,919.12
  5. Step 5: Solve for x
    x = 88,185,735,919.12/334,357.70
  6. Step 6: Final answer
    x = 263,746.69

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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.