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Finding the Fourth Proportional to 539,067.51, 744,152.28 and 348,174

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Solution

The fourth proportional to 539,067.51, 744,152.28 and 348,174 is: 480,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,067.51 : 744,152.28 = 348,174 : x
  2. Step 2: Convert to fraction form
    539,067.51/744,152.28 = 348,174/x
  3. Step 3: Cross multiply
    539,067.51x = 744,152.28 × 348,174
  4. Step 4: Simplify right side
    539,067.51x = 259,094,475,936.72
  5. Step 5: Solve for x
    x = 259,094,475,936.72/539,067.51
  6. Step 6: Final answer
    x = 480,634.56

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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.