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Finding the Fourth Proportional to 539,608.69, 744,661.10 and 297,891.60

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Solution

The fourth proportional to 539,608.69, 744,661.10 and 297,891.60 is: 411,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,608.69 : 744,661.10 = 297,891.60 : x
  2. Step 2: Convert to fraction form
    539,608.69/744,661.10 = 297,891.60/x
  3. Step 3: Cross multiply
    539,608.69x = 744,661.10 × 297,891.60
  4. Step 4: Simplify right side
    539,608.69x = 221,828,286,536.76
  5. Step 5: Solve for x
    x = 221,828,286,536.76/539,608.69
  6. Step 6: Final answer
    x = 411,091.02

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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.