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Finding the Fourth Proportional to 1,966,905.06, 2,948,850.99 and 618,287.46

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Solution

The fourth proportional to 1,966,905.06, 2,948,850.99 and 618,287.46 is: 926,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,905.06 : 2,948,850.99 = 618,287.46 : x
  2. Step 2: Convert to fraction form
    1,966,905.06/2,948,850.99 = 618,287.46/x
  3. Step 3: Cross multiply
    1,966,905.06x = 2,948,850.99 × 618,287.46
  4. Step 4: Simplify right side
    1,966,905.06x = 1,823,237,588,525.59
  5. Step 5: Solve for x
    x = 1,823,237,588,525.59/1,966,905.06
  6. Step 6: Final answer
    x = 926,957.60

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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.