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Finding the Fourth Proportional to 560,374.88, 773,301.96 and 305,726

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Solution

The fourth proportional to 560,374.88, 773,301.96 and 305,726 is: 421,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,374.88 : 773,301.96 = 305,726 : x
  2. Step 2: Convert to fraction form
    560,374.88/773,301.96 = 305,726/x
  3. Step 3: Cross multiply
    560,374.88x = 773,301.96 × 305,726
  4. Step 4: Simplify right side
    560,374.88x = 236,418,515,022.96
  5. Step 5: Solve for x
    x = 236,418,515,022.96/560,374.88
  6. Step 6: Final answer
    x = 421,893.49

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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.