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Finding the Fourth Proportional to 539,204.48, 744,109.76 and 297,497.60

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Solution

The fourth proportional to 539,204.48, 744,109.76 and 297,497.60 is: 410,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,204.48 : 744,109.76 = 297,497.60 : x
  2. Step 2: Convert to fraction form
    539,204.48/744,109.76 = 297,497.60/x
  3. Step 3: Cross multiply
    539,204.48x = 744,109.76 × 297,497.60
  4. Step 4: Simplify right side
    539,204.48x = 221,370,867,736.58
  5. Step 5: Solve for x
    x = 221,370,867,736.58/539,204.48
  6. Step 6: Final answer
    x = 410,550.87

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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.