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Finding the Fourth Proportional to 344,015.67, 474,728.60 and 191,063.71

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Solution

The fourth proportional to 344,015.67, 474,728.60 and 191,063.71 is: 263,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,015.67 : 474,728.60 = 191,063.71 : x
  2. Step 2: Convert to fraction form
    344,015.67/474,728.60 = 191,063.71/x
  3. Step 3: Cross multiply
    344,015.67x = 474,728.60 × 191,063.71
  4. Step 4: Simplify right side
    344,015.67x = 90,703,407,559.11
  5. Step 5: Solve for x
    x = 90,703,407,559.11/344,015.67
  6. Step 6: Final answer
    x = 263,660.69

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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.