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Finding the Fourth Proportional to 546,651.36, 754,384.56 and 304,956

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Solution

The fourth proportional to 546,651.36, 754,384.56 and 304,956 is: 420,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,651.36 : 754,384.56 = 304,956 : x
  2. Step 2: Convert to fraction form
    546,651.36/754,384.56 = 304,956/x
  3. Step 3: Cross multiply
    546,651.36x = 754,384.56 × 304,956
  4. Step 4: Simplify right side
    546,651.36x = 230,054,097,879.36
  5. Step 5: Solve for x
    x = 230,054,097,879.36/546,651.36
  6. Step 6: Final answer
    x = 420,842.45

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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.