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Finding the Fourth Proportional to 560,756.36, 773,838.48 and 345,810.44

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Solution

The fourth proportional to 560,756.36, 773,838.48 and 345,810.44 is: 477,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,756.36 : 773,838.48 = 345,810.44 : x
  2. Step 2: Convert to fraction form
    560,756.36/773,838.48 = 345,810.44/x
  3. Step 3: Cross multiply
    560,756.36x = 773,838.48 × 345,810.44
  4. Step 4: Simplify right side
    560,756.36x = 267,601,425,257.73
  5. Step 5: Solve for x
    x = 267,601,425,257.73/560,756.36
  6. Step 6: Final answer
    x = 477,215.14

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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.