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Finding the Fourth Proportional to 737,808.83, 1,016,032.25 and 640,968.47

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Solution

The fourth proportional to 737,808.83, 1,016,032.25 and 640,968.47 is: 882,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,808.83 : 1,016,032.25 = 640,968.47 : x
  2. Step 2: Convert to fraction form
    737,808.83/1,016,032.25 = 640,968.47/x
  3. Step 3: Cross multiply
    737,808.83x = 1,016,032.25 × 640,968.47
  4. Step 4: Simplify right side
    737,808.83x = 651,244,633,548.32
  5. Step 5: Solve for x
    x = 651,244,633,548.32/737,808.83
  6. Step 6: Final answer
    x = 882,673.95

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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.