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Finding the Fourth Proportional to 606,242.44, 909,431.72 and 494,870.68

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Solution

The fourth proportional to 606,242.44, 909,431.72 and 494,870.68 is: 742,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,242.44 : 909,431.72 = 494,870.68 : x
  2. Step 2: Convert to fraction form
    606,242.44/909,431.72 = 494,870.68/x
  3. Step 3: Cross multiply
    606,242.44x = 909,431.72 × 494,870.68
  4. Step 4: Simplify right side
    606,242.44x = 450,051,093,689.97
  5. Step 5: Solve for x
    x = 450,051,093,689.97/606,242.44
  6. Step 6: Final answer
    x = 742,361.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.