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Finding the Fourth Proportional to 446,628.53, 616,378.61 and 253,034.69

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Solution

The fourth proportional to 446,628.53, 616,378.61 and 253,034.69 is: 349,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,628.53 : 616,378.61 = 253,034.69 : x
  2. Step 2: Convert to fraction form
    446,628.53/616,378.61 = 253,034.69/x
  3. Step 3: Cross multiply
    446,628.53x = 616,378.61 × 253,034.69
  4. Step 4: Simplify right side
    446,628.53x = 155,965,168,054.68
  5. Step 5: Solve for x
    x = 155,965,168,054.68/446,628.53
  6. Step 6: Final answer
    x = 349,205.56

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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.