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Finding the Fourth Proportional to 556,884.69, 835,193.09 and 257,077.41

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Solution

The fourth proportional to 556,884.69, 835,193.09 and 257,077.41 is: 385,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,884.69 : 835,193.09 = 257,077.41 : x
  2. Step 2: Convert to fraction form
    556,884.69/835,193.09 = 257,077.41/x
  3. Step 3: Cross multiply
    556,884.69x = 835,193.09 × 257,077.41
  4. Step 4: Simplify right side
    556,884.69x = 214,709,274,027.76
  5. Step 5: Solve for x
    x = 214,709,274,027.76/556,884.69
  6. Step 6: Final answer
    x = 385,554.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.