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Finding the Fourth Proportional to 598,179.29, 825,020.64 and 383,339.34

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Solution

The fourth proportional to 598,179.29, 825,020.64 and 383,339.34 is: 528,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,179.29 : 825,020.64 = 383,339.34 : x
  2. Step 2: Convert to fraction form
    598,179.29/825,020.64 = 383,339.34/x
  3. Step 3: Cross multiply
    598,179.29x = 825,020.64 × 383,339.34
  4. Step 4: Simplify right side
    598,179.29x = 316,262,867,623.98
  5. Step 5: Solve for x
    x = 316,262,867,623.98/598,179.29
  6. Step 6: Final answer
    x = 528,709.16

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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.