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Finding the Fourth Proportional to 597,978.09, 897,387.44 and 540,806.65

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Solution

The fourth proportional to 597,978.09, 897,387.44 and 540,806.65 is: 811,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,978.09 : 897,387.44 = 540,806.65 : x
  2. Step 2: Convert to fraction form
    597,978.09/897,387.44 = 540,806.65/x
  3. Step 3: Cross multiply
    597,978.09x = 897,387.44 × 540,806.65
  4. Step 4: Simplify right side
    597,978.09x = 485,313,090,230.97
  5. Step 5: Solve for x
    x = 485,313,090,230.97/597,978.09
  6. Step 6: Final answer
    x = 811,590.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.