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Finding the Fourth Proportional to 883,896.60, 1,219,777.40 and 481,488.60

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Solution

The fourth proportional to 883,896.60, 1,219,777.40 and 481,488.60 is: 664,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,896.60 : 1,219,777.40 = 481,488.60 : x
  2. Step 2: Convert to fraction form
    883,896.60/1,219,777.40 = 481,488.60/x
  3. Step 3: Cross multiply
    883,896.60x = 1,219,777.40 × 481,488.60
  4. Step 4: Simplify right side
    883,896.60x = 587,308,912,637.64
  5. Step 5: Solve for x
    x = 587,308,912,637.64/883,896.60
  6. Step 6: Final answer
    x = 664,454.32

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1.5x scale

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.