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Finding the Fourth Proportional to 546,769.29, 754,563.48 and 305,072.98

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Solution

The fourth proportional to 546,769.29, 754,563.48 and 305,072.98 is: 421,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,769.29 : 754,563.48 = 305,072.98 : x
  2. Step 2: Convert to fraction form
    546,769.29/754,563.48 = 305,072.98/x
  3. Step 3: Cross multiply
    546,769.29x = 754,563.48 × 305,072.98
  4. Step 4: Simplify right side
    546,769.29x = 230,196,929,442.77
  5. Step 5: Solve for x
    x = 230,196,929,442.77/546,769.29
  6. Step 6: Final answer
    x = 421,012.91

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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.