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Finding the Fourth Proportional to 556,586.47, 768,091.26 and 301,939.48

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Solution

The fourth proportional to 556,586.47, 768,091.26 and 301,939.48 is: 416,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,586.47 : 768,091.26 = 301,939.48 : x
  2. Step 2: Convert to fraction form
    556,586.47/768,091.26 = 301,939.48/x
  3. Step 3: Cross multiply
    556,586.47x = 768,091.26 × 301,939.48
  4. Step 4: Simplify right side
    556,586.47x = 231,917,075,636.95
  5. Step 5: Solve for x
    x = 231,917,075,636.95/556,586.47
  6. Step 6: Final answer
    x = 416,677.53

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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.