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Finding the Fourth Proportional to 539,533.46, 744,556.06 and 297,815.96

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Solution

The fourth proportional to 539,533.46, 744,556.06 and 297,815.96 is: 410,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,533.46 : 744,556.06 = 297,815.96 : x
  2. Step 2: Convert to fraction form
    539,533.46/744,556.06 = 297,815.96/x
  3. Step 3: Cross multiply
    539,533.46x = 744,556.06 × 297,815.96
  4. Step 4: Simplify right side
    539,533.46x = 221,740,679,231.14
  5. Step 5: Solve for x
    x = 221,740,679,231.14/539,533.46
  6. Step 6: Final answer
    x = 410,985.97

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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.