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Finding the Fourth Proportional to 622,604.70, 933,907.32 and 480,657.24

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Solution

The fourth proportional to 622,604.70, 933,907.32 and 480,657.24 is: 720,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,604.70 : 933,907.32 = 480,657.24 : x
  2. Step 2: Convert to fraction form
    622,604.70/933,907.32 = 480,657.24/x
  3. Step 3: Cross multiply
    622,604.70x = 933,907.32 × 480,657.24
  4. Step 4: Simplify right side
    622,604.70x = 448,889,314,847.00
  5. Step 5: Solve for x
    x = 448,889,314,847.00/622,604.70
  6. Step 6: Final answer
    x = 720,986.07

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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.