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Finding the Fourth Proportional to 539,511.47, 744,525.90 and 297,794.13

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Solution

The fourth proportional to 539,511.47, 744,525.90 and 297,794.13 is: 410,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,511.47 : 744,525.90 = 297,794.13 : x
  2. Step 2: Convert to fraction form
    539,511.47/744,525.90 = 297,794.13/x
  3. Step 3: Cross multiply
    539,511.47x = 744,525.90 × 297,794.13
  4. Step 4: Simplify right side
    539,511.47x = 221,715,442,652.97
  5. Step 5: Solve for x
    x = 221,715,442,652.97/539,511.47
  6. Step 6: Final answer
    x = 410,955.94

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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.