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Finding the Fourth Proportional to 324,467.01, 486,355.86 and 191,409.93

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Solution

The fourth proportional to 324,467.01, 486,355.86 and 191,409.93 is: 286,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,467.01 : 486,355.86 = 191,409.93 : x
  2. Step 2: Convert to fraction form
    324,467.01/486,355.86 = 191,409.93/x
  3. Step 3: Cross multiply
    324,467.01x = 486,355.86 × 191,409.93
  4. Step 4: Simplify right side
    324,467.01x = 93,093,341,117.69
  5. Step 5: Solve for x
    x = 93,093,341,117.69/324,467.01
  6. Step 6: Final answer
    x = 286,911.58

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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.