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Finding the Fourth Proportional to 539,295.64, 744,227.11 and 297,578.03

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Solution

The fourth proportional to 539,295.64, 744,227.11 and 297,578.03 is: 410,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,295.64 : 744,227.11 = 297,578.03 : x
  2. Step 2: Convert to fraction form
    539,295.64/744,227.11 = 297,578.03/x
  3. Step 3: Cross multiply
    539,295.64x = 744,227.11 × 297,578.03
  4. Step 4: Simplify right side
    539,295.64x = 221,465,637,266.39
  5. Step 5: Solve for x
    x = 221,465,637,266.39/539,295.64
  6. Step 6: Final answer
    x = 410,657.20

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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.