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Finding the Fourth Proportional to 546,131.58, 753,687.48 and 304,415.88

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Solution

The fourth proportional to 546,131.58, 753,687.48 and 304,415.88 is: 420,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,131.58 : 753,687.48 = 304,415.88 : x
  2. Step 2: Convert to fraction form
    546,131.58/753,687.48 = 304,415.88/x
  3. Step 3: Cross multiply
    546,131.58x = 753,687.48 × 304,415.88
  4. Step 4: Simplify right side
    546,131.58x = 229,434,437,469.18
  5. Step 5: Solve for x
    x = 229,434,437,469.18/546,131.58
  6. Step 6: Final answer
    x = 420,108.35

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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.