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Finding the Fourth Proportional to 546,211.45, 753,768.69 and 304,496.01

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Solution

The fourth proportional to 546,211.45, 753,768.69 and 304,496.01 is: 420,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,211.45 : 753,768.69 = 304,496.01 : x
  2. Step 2: Convert to fraction form
    546,211.45/753,768.69 = 304,496.01/x
  3. Step 3: Cross multiply
    546,211.45x = 753,768.69 × 304,496.01
  4. Step 4: Simplify right side
    546,211.45x = 229,519,557,426.07
  5. Step 5: Solve for x
    x = 229,519,557,426.07/546,211.45
  6. Step 6: Final answer
    x = 420,202.76

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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.