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Finding the Fourth Proportional to 665,969.30, 996,985.65 and 441,583.10

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Solution

The fourth proportional to 665,969.30, 996,985.65 and 441,583.10 is: 661,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,969.30 : 996,985.65 = 441,583.10 : x
  2. Step 2: Convert to fraction form
    665,969.30/996,985.65 = 441,583.10/x
  3. Step 3: Cross multiply
    665,969.30x = 996,985.65 × 441,583.10
  4. Step 4: Simplify right side
    665,969.30x = 440,252,013,982.52
  5. Step 5: Solve for x
    x = 440,252,013,982.52/665,969.30
  6. Step 6: Final answer
    x = 661,069.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.