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Finding the Fourth Proportional to 471,529.91, 707,442.56 and 303,240.26

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Solution

The fourth proportional to 471,529.91, 707,442.56 and 303,240.26 is: 454,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,529.91 : 707,442.56 = 303,240.26 : x
  2. Step 2: Convert to fraction form
    471,529.91/707,442.56 = 303,240.26/x
  3. Step 3: Cross multiply
    471,529.91x = 707,442.56 × 303,240.26
  4. Step 4: Simplify right side
    471,529.91x = 214,525,065,829.47
  5. Step 5: Solve for x
    x = 214,525,065,829.47/471,529.91
  6. Step 6: Final answer
    x = 454,955.37

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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.