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Finding the Fourth Proportional to 383,104.06, 528,637.31 and 219,752.11

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Solution

The fourth proportional to 383,104.06, 528,637.31 and 219,752.11 is: 303,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,104.06 : 528,637.31 = 219,752.11 : x
  2. Step 2: Convert to fraction form
    383,104.06/528,637.31 = 219,752.11/x
  3. Step 3: Cross multiply
    383,104.06x = 528,637.31 × 219,752.11
  4. Step 4: Simplify right side
    383,104.06x = 116,169,160,555.28
  5. Step 5: Solve for x
    x = 116,169,160,555.28/383,104.06
  6. Step 6: Final answer
    x = 303,231.35

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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.