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Finding the Fourth Proportional to 620,744.06, 856,599.23 and 362,644.94

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Solution

The fourth proportional to 620,744.06, 856,599.23 and 362,644.94 is: 500,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,744.06 : 856,599.23 = 362,644.94 : x
  2. Step 2: Convert to fraction form
    620,744.06/856,599.23 = 362,644.94/x
  3. Step 3: Cross multiply
    620,744.06x = 856,599.23 × 362,644.94
  4. Step 4: Simplify right side
    620,744.06x = 310,641,379,415.51
  5. Step 5: Solve for x
    x = 310,641,379,415.51/620,744.06
  6. Step 6: Final answer
    x = 500,433.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.