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Finding the Fourth Proportional to 445,752.51, 668,655.77 and 179,513.07

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Solution

The fourth proportional to 445,752.51, 668,655.77 and 179,513.07 is: 269,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,752.51 : 668,655.77 = 179,513.07 : x
  2. Step 2: Convert to fraction form
    445,752.51/668,655.77 = 179,513.07/x
  3. Step 3: Cross multiply
    445,752.51x = 668,655.77 × 179,513.07
  4. Step 4: Simplify right side
    445,752.51x = 120,032,449,148.35
  5. Step 5: Solve for x
    x = 120,032,449,148.35/445,752.51
  6. Step 6: Final answer
    x = 269,280.48

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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.