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Finding the Fourth Proportional to 483,870.48, 725,795.48 and 259,307.28

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Solution

The fourth proportional to 483,870.48, 725,795.48 and 259,307.28 is: 388,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,870.48 : 725,795.48 = 259,307.28 : x
  2. Step 2: Convert to fraction form
    483,870.48/725,795.48 = 259,307.28/x
  3. Step 3: Cross multiply
    483,870.48x = 725,795.48 × 259,307.28
  4. Step 4: Simplify right side
    483,870.48x = 188,204,051,755.09
  5. Step 5: Solve for x
    x = 188,204,051,755.09/483,870.48
  6. Step 6: Final answer
    x = 388,955.43

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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.