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Finding the Fourth Proportional to 539,242.71, 744,152.85 and 297,540.33

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Solution

The fourth proportional to 539,242.71, 744,152.85 and 297,540.33 is: 410,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,242.71 : 744,152.85 = 297,540.33 : x
  2. Step 2: Convert to fraction form
    539,242.71/744,152.85 = 297,540.33/x
  3. Step 3: Cross multiply
    539,242.71x = 744,152.85 × 297,540.33
  4. Step 4: Simplify right side
    539,242.71x = 221,415,484,559.44
  5. Step 5: Solve for x
    x = 221,415,484,559.44/539,242.71
  6. Step 6: Final answer
    x = 410,604.50

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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.