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Finding the Fourth Proportional to 707,824.26, 977,010.93 and 481,600.98

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Solution

The fourth proportional to 707,824.26, 977,010.93 and 481,600.98 is: 664,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,824.26 : 977,010.93 = 481,600.98 : x
  2. Step 2: Convert to fraction form
    707,824.26/977,010.93 = 481,600.98/x
  3. Step 3: Cross multiply
    707,824.26x = 977,010.93 × 481,600.98
  4. Step 4: Simplify right side
    707,824.26x = 470,529,421,358.71
  5. Step 5: Solve for x
    x = 470,529,421,358.71/707,824.26
  6. Step 6: Final answer
    x = 664,754.58

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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.