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Finding the Fourth Proportional to 539,365.52, 744,332.28 and 297,659.36

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Solution

The fourth proportional to 539,365.52, 744,332.28 and 297,659.36 is: 410,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,365.52 : 744,332.28 = 297,659.36 : x
  2. Step 2: Convert to fraction form
    539,365.52/744,332.28 = 297,659.36/x
  3. Step 3: Cross multiply
    539,365.52x = 744,332.28 × 297,659.36
  4. Step 4: Simplify right side
    539,365.52x = 221,557,470,092.14
  5. Step 5: Solve for x
    x = 221,557,470,092.14/539,365.52
  6. Step 6: Final answer
    x = 410,774.26

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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.