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Finding the Fourth Proportional to 539,720.59, 744,843.63 and 298,002.46

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Solution

The fourth proportional to 539,720.59, 744,843.63 and 298,002.46 is: 411,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,720.59 : 744,843.63 = 298,002.46 : x
  2. Step 2: Convert to fraction form
    539,720.59/744,843.63 = 298,002.46/x
  3. Step 3: Cross multiply
    539,720.59x = 744,843.63 × 298,002.46
  4. Step 4: Simplify right side
    539,720.59x = 221,965,234,055.33
  5. Step 5: Solve for x
    x = 221,965,234,055.33/539,720.59
  6. Step 6: Final answer
    x = 411,259.53

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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.