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Finding the Fourth Proportional to 567,696.60, 783,385.83 and 325,809

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Solution

The fourth proportional to 567,696.60, 783,385.83 and 325,809 is: 449,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,696.60 : 783,385.83 = 325,809 : x
  2. Step 2: Convert to fraction form
    567,696.60/783,385.83 = 325,809/x
  3. Step 3: Cross multiply
    567,696.60x = 783,385.83 × 325,809
  4. Step 4: Simplify right side
    567,696.60x = 255,234,153,886.47
  5. Step 5: Solve for x
    x = 255,234,153,886.47/567,696.60
  6. Step 6: Final answer
    x = 449,596.06

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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.