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Finding the Fourth Proportional to 707,825.26, 977,012.31 and 481,601.98

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Solution

The fourth proportional to 707,825.26, 977,012.31 and 481,601.98 is: 664,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,825.26 : 977,012.31 = 481,601.98 : x
  2. Step 2: Convert to fraction form
    707,825.26/977,012.31 = 481,601.98/x
  3. Step 3: Cross multiply
    707,825.26x = 977,012.31 × 481,601.98
  4. Step 4: Simplify right side
    707,825.26x = 470,531,062,980.37
  5. Step 5: Solve for x
    x = 470,531,062,980.37/707,825.26
  6. Step 6: Final answer
    x = 664,755.96

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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.