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Finding the Fourth Proportional to 497,313.52, 745,975.48 and 398,104.38

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Solution

The fourth proportional to 497,313.52, 745,975.48 and 398,104.38 is: 597,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,313.52 : 745,975.48 = 398,104.38 : x
  2. Step 2: Convert to fraction form
    497,313.52/745,975.48 = 398,104.38/x
  3. Step 3: Cross multiply
    497,313.52x = 745,975.48 × 398,104.38
  4. Step 4: Simplify right side
    497,313.52x = 296,976,105,960.60
  5. Step 5: Solve for x
    x = 296,976,105,960.60/497,313.52
  6. Step 6: Final answer
    x = 597,160.73

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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.