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Finding the Fourth Proportional to 233,814.08, 350,717.88 and 218,871.20

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Solution

The fourth proportional to 233,814.08, 350,717.88 and 218,871.20 is: 328,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,814.08 : 350,717.88 = 218,871.20 : x
  2. Step 2: Convert to fraction form
    233,814.08/350,717.88 = 218,871.20/x
  3. Step 3: Cross multiply
    233,814.08x = 350,717.88 × 218,871.20
  4. Step 4: Simplify right side
    233,814.08x = 76,762,043,257.06
  5. Step 5: Solve for x
    x = 76,762,043,257.06/233,814.08
  6. Step 6: Final answer
    x = 328,303.77

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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.