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Finding the Fourth Proportional to 445,874.42, 668,833.50 and 179,598.98

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Solution

The fourth proportional to 445,874.42, 668,833.50 and 179,598.98 is: 269,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,874.42 : 668,833.50 = 179,598.98 : x
  2. Step 2: Convert to fraction form
    445,874.42/668,833.50 = 179,598.98/x
  3. Step 3: Cross multiply
    445,874.42x = 668,833.50 × 179,598.98
  4. Step 4: Simplify right side
    445,874.42x = 120,121,814,389.83
  5. Step 5: Solve for x
    x = 120,121,814,389.83/445,874.42
  6. Step 6: Final answer
    x = 269,407.28

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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.