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Finding the Fourth Proportional to 343,833.80, 474,466.86 and 190,859.96

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Solution

The fourth proportional to 343,833.80, 474,466.86 and 190,859.96 is: 263,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,833.80 : 474,466.86 = 190,859.96 : x
  2. Step 2: Convert to fraction form
    343,833.80/474,466.86 = 190,859.96/x
  3. Step 3: Cross multiply
    343,833.80x = 474,466.86 × 190,859.96
  4. Step 4: Simplify right side
    343,833.80x = 90,556,725,920.93
  5. Step 5: Solve for x
    x = 90,556,725,920.93/343,833.80
  6. Step 6: Final answer
    x = 263,373.54

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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.