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Finding the Fourth Proportional to 297,804.48, 411,388.56 and 270,899.52

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Solution

The fourth proportional to 297,804.48, 411,388.56 and 270,899.52 is: 374,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,804.48 : 411,388.56 = 270,899.52 : x
  2. Step 2: Convert to fraction form
    297,804.48/411,388.56 = 270,899.52/x
  3. Step 3: Cross multiply
    297,804.48x = 411,388.56 × 270,899.52
  4. Step 4: Simplify right side
    297,804.48x = 111,444,963,437.49
  5. Step 5: Solve for x
    x = 111,444,963,437.49/297,804.48
  6. Step 6: Final answer
    x = 374,221.92

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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.