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Finding the Fourth Proportional to 556,273.67, 767,672.77 and 314,592.39

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Solution

The fourth proportional to 556,273.67, 767,672.77 and 314,592.39 is: 434,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,273.67 : 767,672.77 = 314,592.39 : x
  2. Step 2: Convert to fraction form
    556,273.67/767,672.77 = 314,592.39/x
  3. Step 3: Cross multiply
    556,273.67x = 767,672.77 × 314,592.39
  4. Step 4: Simplify right side
    556,273.67x = 241,504,010,665.74
  5. Step 5: Solve for x
    x = 241,504,010,665.74/556,273.67
  6. Step 6: Final answer
    x = 434,146.04

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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.