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Finding the Fourth Proportional to 884,159, 1,220,139.44 and 481,751

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Solution

The fourth proportional to 884,159, 1,220,139.44 and 481,751 is: 664,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,159 : 1,220,139.44 = 481,751 : x
  2. Step 2: Convert to fraction form
    884,159/1,220,139.44 = 481,751/x
  3. Step 3: Cross multiply
    884,159x = 1,220,139.44 × 481,751
  4. Step 4: Simplify right side
    884,159x = 587,803,395,359.44
  5. Step 5: Solve for x
    x = 587,803,395,359.44/884,159
  6. Step 6: Final answer
    x = 664,816.39

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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.