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Finding the Fourth Proportional to 445,801.90, 668,724.72 and 179,526.45

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Solution

The fourth proportional to 445,801.90, 668,724.72 and 179,526.45 is: 269,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,801.90 : 668,724.72 = 179,526.45 : x
  2. Step 2: Convert to fraction form
    445,801.90/668,724.72 = 179,526.45/x
  3. Step 3: Cross multiply
    445,801.90x = 668,724.72 × 179,526.45
  4. Step 4: Simplify right side
    445,801.90x = 120,053,775,008.84
  5. Step 5: Solve for x
    x = 120,053,775,008.84/445,801.90
  6. Step 6: Final answer
    x = 269,298.48

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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.