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Finding the Fourth Proportional to 396,444.51, 594,661.43 and 96,927.66

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Solution

The fourth proportional to 396,444.51, 594,661.43 and 96,927.66 is: 145,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,444.51 : 594,661.43 = 96,927.66 : x
  2. Step 2: Convert to fraction form
    396,444.51/594,661.43 = 96,927.66/x
  3. Step 3: Cross multiply
    396,444.51x = 594,661.43 × 96,927.66
  4. Step 4: Simplify right side
    396,444.51x = 57,639,141,144.47
  5. Step 5: Solve for x
    x = 57,639,141,144.47/396,444.51
  6. Step 6: Final answer
    x = 145,390.19

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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.