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Finding the Fourth Proportional to 546,758.28, 754,526.88 and 305,040.89

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Solution

The fourth proportional to 546,758.28, 754,526.88 and 305,040.89 is: 420,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,758.28 : 754,526.88 = 305,040.89 : x
  2. Step 2: Convert to fraction form
    546,758.28/754,526.88 = 305,040.89/x
  3. Step 3: Cross multiply
    546,758.28x = 754,526.88 × 305,040.89
  4. Step 4: Simplify right side
    546,758.28x = 230,161,552,890.44
  5. Step 5: Solve for x
    x = 230,161,552,890.44/546,758.28
  6. Step 6: Final answer
    x = 420,956.68

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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.