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Finding the Fourth Proportional to 489,094.25, 674,956.96 and 295,475.04

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Solution

The fourth proportional to 489,094.25, 674,956.96 and 295,475.04 is: 407,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,094.25 : 674,956.96 = 295,475.04 : x
  2. Step 2: Convert to fraction form
    489,094.25/674,956.96 = 295,475.04/x
  3. Step 3: Cross multiply
    489,094.25x = 674,956.96 × 295,475.04
  4. Step 4: Simplify right side
    489,094.25x = 199,432,934,015.59
  5. Step 5: Solve for x
    x = 199,432,934,015.59/489,094.25
  6. Step 6: Final answer
    x = 407,759.72

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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.