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Finding the Fourth Proportional to 405,852.48, 560,164.70 and 236,108.88

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Solution

The fourth proportional to 405,852.48, 560,164.70 and 236,108.88 is: 325,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,852.48 : 560,164.70 = 236,108.88 : x
  2. Step 2: Convert to fraction form
    405,852.48/560,164.70 = 236,108.88/x
  3. Step 3: Cross multiply
    405,852.48x = 560,164.70 × 236,108.88
  4. Step 4: Simplify right side
    405,852.48x = 132,259,859,932.54
  5. Step 5: Solve for x
    x = 132,259,859,932.54/405,852.48
  6. Step 6: Final answer
    x = 325,881.61

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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.