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Finding the Fourth Proportional to 737,361.81, 1,017,034.92 and 492,223.14

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Solution

The fourth proportional to 737,361.81, 1,017,034.92 and 492,223.14 is: 678,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,361.81 : 1,017,034.92 = 492,223.14 : x
  2. Step 2: Convert to fraction form
    737,361.81/1,017,034.92 = 492,223.14/x
  3. Step 3: Cross multiply
    737,361.81x = 1,017,034.92 × 492,223.14
  4. Step 4: Simplify right side
    737,361.81x = 500,608,121,812.05
  5. Step 5: Solve for x
    x = 500,608,121,812.05/737,361.81
  6. Step 6: Final answer
    x = 678,917.89

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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.