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Finding the Fourth Proportional to 684,696.93, 944,563.37 and 443,057.60

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Solution

The fourth proportional to 684,696.93, 944,563.37 and 443,057.60 is: 611,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,696.93 : 944,563.37 = 443,057.60 : x
  2. Step 2: Convert to fraction form
    684,696.93/944,563.37 = 443,057.60/x
  3. Step 3: Cross multiply
    684,696.93x = 944,563.37 × 443,057.60
  4. Step 4: Simplify right side
    684,696.93x = 418,495,972,822.01
  5. Step 5: Solve for x
    x = 418,495,972,822.01/684,696.93
  6. Step 6: Final answer
    x = 611,213.45

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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.