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Finding the Fourth Proportional to 539,034.47, 743,871.08 and 297,323.57

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Solution

The fourth proportional to 539,034.47, 743,871.08 and 297,323.57 is: 410,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,034.47 : 743,871.08 = 297,323.57 : x
  2. Step 2: Convert to fraction form
    539,034.47/743,871.08 = 297,323.57/x
  3. Step 3: Cross multiply
    539,034.47x = 743,871.08 × 297,323.57
  4. Step 4: Simplify right side
    539,034.47x = 221,170,405,125.36
  5. Step 5: Solve for x
    x = 221,170,405,125.36/539,034.47
  6. Step 6: Final answer
    x = 410,308.46

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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.