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Finding the Fourth Proportional to 492,820.04, 680,063.73 and 277,947.26

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Solution

The fourth proportional to 492,820.04, 680,063.73 and 277,947.26 is: 383,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,820.04 : 680,063.73 = 277,947.26 : x
  2. Step 2: Convert to fraction form
    492,820.04/680,063.73 = 277,947.26/x
  3. Step 3: Cross multiply
    492,820.04x = 680,063.73 × 277,947.26
  4. Step 4: Simplify right side
    492,820.04x = 189,021,850,378.88
  5. Step 5: Solve for x
    x = 189,021,850,378.88/492,820.04
  6. Step 6: Final answer
    x = 383,551.47

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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.