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Finding the Fourth Proportional to 527,049.54, 789,299.78 and 301,726.58

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Solution

The fourth proportional to 527,049.54, 789,299.78 and 301,726.58 is: 451,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,049.54 : 789,299.78 = 301,726.58 : x
  2. Step 2: Convert to fraction form
    527,049.54/789,299.78 = 301,726.58/x
  3. Step 3: Cross multiply
    527,049.54x = 789,299.78 × 301,726.58
  4. Step 4: Simplify right side
    527,049.54x = 238,152,717,759.02
  5. Step 5: Solve for x
    x = 238,152,717,759.02/527,049.54
  6. Step 6: Final answer
    x = 451,860.21

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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.