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Finding the Fourth Proportional to 632,663.75, 873,075.94 and 346,183.83

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Solution

The fourth proportional to 632,663.75, 873,075.94 and 346,183.83 is: 477,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,663.75 : 873,075.94 = 346,183.83 : x
  2. Step 2: Convert to fraction form
    632,663.75/873,075.94 = 346,183.83/x
  3. Step 3: Cross multiply
    632,663.75x = 873,075.94 × 346,183.83
  4. Step 4: Simplify right side
    632,663.75x = 302,244,772,790.05
  5. Step 5: Solve for x
    x = 302,244,772,790.05/632,663.75
  6. Step 6: Final answer
    x = 477,733.67

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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.