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Finding the Fourth Proportional to 448,825.33, 619,415.94 and 255,293.65

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Solution

The fourth proportional to 448,825.33, 619,415.94 and 255,293.65 is: 352,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,825.33 : 619,415.94 = 255,293.65 : x
  2. Step 2: Convert to fraction form
    448,825.33/619,415.94 = 255,293.65/x
  3. Step 3: Cross multiply
    448,825.33x = 619,415.94 × 255,293.65
  4. Step 4: Simplify right side
    448,825.33x = 158,132,956,190.78
  5. Step 5: Solve for x
    x = 158,132,956,190.78/448,825.33
  6. Step 6: Final answer
    x = 352,326.27

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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.