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Finding the Fourth Proportional to 496,042.06, 684,683.71 and 323,986.31

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Solution

The fourth proportional to 496,042.06, 684,683.71 and 323,986.31 is: 447,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,042.06 : 684,683.71 = 323,986.31 : x
  2. Step 2: Convert to fraction form
    496,042.06/684,683.71 = 323,986.31/x
  3. Step 3: Cross multiply
    496,042.06x = 684,683.71 × 323,986.31
  4. Step 4: Simplify right side
    496,042.06x = 221,828,148,720.01
  5. Step 5: Solve for x
    x = 221,828,148,720.01/496,042.06
  6. Step 6: Final answer
    x = 447,196.25

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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.