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Finding the Fourth Proportional to 546,722.98, 754,573.26 and 353,367.88

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Solution

The fourth proportional to 546,722.98, 754,573.26 and 353,367.88 is: 487,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,722.98 : 754,573.26 = 353,367.88 : x
  2. Step 2: Convert to fraction form
    546,722.98/754,573.26 = 353,367.88/x
  3. Step 3: Cross multiply
    546,722.98x = 754,573.26 × 353,367.88
  4. Step 4: Simplify right side
    546,722.98x = 266,641,953,190.89
  5. Step 5: Solve for x
    x = 266,641,953,190.89/546,722.98
  6. Step 6: Final answer
    x = 487,709.43

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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.