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Finding the Fourth Proportional to 580,464.84, 799,611.48 and 494,145.54

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Solution

The fourth proportional to 580,464.84, 799,611.48 and 494,145.54 is: 680,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,464.84 : 799,611.48 = 494,145.54 : x
  2. Step 2: Convert to fraction form
    580,464.84/799,611.48 = 494,145.54/x
  3. Step 3: Cross multiply
    580,464.84x = 799,611.48 × 494,145.54
  4. Step 4: Simplify right side
    580,464.84x = 395,124,446,574.80
  5. Step 5: Solve for x
    x = 395,124,446,574.80/580,464.84
  6. Step 6: Final answer
    x = 680,703.50

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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.