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Finding the Fourth Proportional to 404,797.76, 607,567.04 and 205,255.88

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Solution

The fourth proportional to 404,797.76, 607,567.04 and 205,255.88 is: 308,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,797.76 : 607,567.04 = 205,255.88 : x
  2. Step 2: Convert to fraction form
    404,797.76/607,567.04 = 205,255.88/x
  3. Step 3: Cross multiply
    404,797.76x = 607,567.04 × 205,255.88
  4. Step 4: Simplify right side
    404,797.76x = 124,706,707,454.20
  5. Step 5: Solve for x
    x = 124,706,707,454.20/404,797.76
  6. Step 6: Final answer
    x = 308,071.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.