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Finding the Fourth Proportional to 293,203.06, 439,706.17 and 186,521.20

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Solution

The fourth proportional to 293,203.06, 439,706.17 and 186,521.20 is: 279,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,203.06 : 439,706.17 = 186,521.20 : x
  2. Step 2: Convert to fraction form
    293,203.06/439,706.17 = 186,521.20/x
  3. Step 3: Cross multiply
    293,203.06x = 439,706.17 × 186,521.20
  4. Step 4: Simplify right side
    293,203.06x = 82,014,521,609.69
  5. Step 5: Solve for x
    x = 82,014,521,609.69/293,203.06
  6. Step 6: Final answer
    x = 279,719.19

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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.