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Finding the Fourth Proportional to 632,716.56, 873,148.92 and 346,236.69

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Solution

The fourth proportional to 632,716.56, 873,148.92 and 346,236.69 is: 477,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,716.56 : 873,148.92 = 346,236.69 : x
  2. Step 2: Convert to fraction form
    632,716.56/873,148.92 = 346,236.69/x
  3. Step 3: Cross multiply
    632,716.56x = 873,148.92 × 346,236.69
  4. Step 4: Simplify right side
    632,716.56x = 302,316,191,937.88
  5. Step 5: Solve for x
    x = 302,316,191,937.88/632,716.56
  6. Step 6: Final answer
    x = 477,806.67

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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.