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Finding the Fourth Proportional to 539,242.85, 744,424.79 and 335,359.46

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Solution

The fourth proportional to 539,242.85, 744,424.79 and 335,359.46 is: 462,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,242.85 : 744,424.79 = 335,359.46 : x
  2. Step 2: Convert to fraction form
    539,242.85/744,424.79 = 335,359.46/x
  3. Step 3: Cross multiply
    539,242.85x = 744,424.79 × 335,359.46
  4. Step 4: Simplify right side
    539,242.85x = 249,649,890,186.09
  5. Step 5: Solve for x
    x = 249,649,890,186.09/539,242.85
  6. Step 6: Final answer
    x = 462,963.75

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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.