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Finding the Fourth Proportional to 441,810.88, 609,723.39 and 260,629

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Solution

The fourth proportional to 441,810.88, 609,723.39 and 260,629 is: 359,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,810.88 : 609,723.39 = 260,629 : x
  2. Step 2: Convert to fraction form
    441,810.88/609,723.39 = 260,629/x
  3. Step 3: Cross multiply
    441,810.88x = 609,723.39 × 260,629
  4. Step 4: Simplify right side
    441,810.88x = 158,911,597,412.31
  5. Step 5: Solve for x
    x = 158,911,597,412.31/441,810.88
  6. Step 6: Final answer
    x = 359,682.40

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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.