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Finding the Fourth Proportional to 539,543.91, 744,566.40 and 297,826.56

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Solution

The fourth proportional to 539,543.91, 744,566.40 and 297,826.56 is: 410,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,543.91 : 744,566.40 = 297,826.56 : x
  2. Step 2: Convert to fraction form
    539,543.91/744,566.40 = 297,826.56/x
  3. Step 3: Cross multiply
    539,543.91x = 744,566.40 × 297,826.56
  4. Step 4: Simplify right side
    539,543.91x = 221,751,649,603.58
  5. Step 5: Solve for x
    x = 221,751,649,603.58/539,543.91
  6. Step 6: Final answer
    x = 410,998.34

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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.