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Finding the Fourth Proportional to 546,860.79, 820,233.36 and 147,476.88

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Solution

The fourth proportional to 546,860.79, 820,233.36 and 147,476.88 is: 221,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,860.79 : 820,233.36 = 147,476.88 : x
  2. Step 2: Convert to fraction form
    546,860.79/820,233.36 = 147,476.88/x
  3. Step 3: Cross multiply
    546,860.79x = 820,233.36 × 147,476.88
  4. Step 4: Simplify right side
    546,860.79x = 120,965,456,804.72
  5. Step 5: Solve for x
    x = 120,965,456,804.72/546,860.79
  6. Step 6: Final answer
    x = 221,199.73

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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.