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Finding the Fourth Proportional to 539,375.63, 744,356.22 and 294,373.79

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Solution

The fourth proportional to 539,375.63, 744,356.22 and 294,373.79 is: 406,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,375.63 : 744,356.22 = 294,373.79 : x
  2. Step 2: Convert to fraction form
    539,375.63/744,356.22 = 294,373.79/x
  3. Step 3: Cross multiply
    539,375.63x = 744,356.22 × 294,373.79
  4. Step 4: Simplify right side
    539,375.63x = 219,118,961,591.47
  5. Step 5: Solve for x
    x = 219,118,961,591.47/539,375.63
  6. Step 6: Final answer
    x = 406,245.57

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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.