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Finding the Fourth Proportional to 479,173.31, 718,201.06 and 360,462.95

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Solution

The fourth proportional to 479,173.31, 718,201.06 and 360,462.95 is: 540,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,173.31 : 718,201.06 = 360,462.95 : x
  2. Step 2: Convert to fraction form
    479,173.31/718,201.06 = 360,462.95/x
  3. Step 3: Cross multiply
    479,173.31x = 718,201.06 × 360,462.95
  4. Step 4: Simplify right side
    479,173.31x = 258,884,872,780.73
  5. Step 5: Solve for x
    x = 258,884,872,780.73/479,173.31
  6. Step 6: Final answer
    x = 540,273.98

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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.