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Finding the Fourth Proportional to 270,398.79, 405,312.17 and 101,846.19

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Solution

The fourth proportional to 270,398.79, 405,312.17 and 101,846.19 is: 152,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,398.79 : 405,312.17 = 101,846.19 : x
  2. Step 2: Convert to fraction form
    270,398.79/405,312.17 = 101,846.19/x
  3. Step 3: Cross multiply
    270,398.79x = 405,312.17 × 101,846.19
  4. Step 4: Simplify right side
    270,398.79x = 41,279,497,739.34
  5. Step 5: Solve for x
    x = 41,279,497,739.34/270,398.79
  6. Step 6: Final answer
    x = 152,661.55

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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.