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Finding the Fourth Proportional to 793,369, 1,094,907.54 and 491,621.32

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Solution

The fourth proportional to 793,369, 1,094,907.54 and 491,621.32 is: 678,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,369 : 1,094,907.54 = 491,621.32 : x
  2. Step 2: Convert to fraction form
    793,369/1,094,907.54 = 491,621.32/x
  3. Step 3: Cross multiply
    793,369x = 1,094,907.54 × 491,621.32
  4. Step 4: Simplify right side
    793,369x = 538,279,890,092.75
  5. Step 5: Solve for x
    x = 538,279,890,092.75/793,369
  6. Step 6: Final answer
    x = 678,473.56

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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.