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Finding the Fourth Proportional to 445,617.96, 668,623.76 and 179,897.46

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Solution

The fourth proportional to 445,617.96, 668,623.76 and 179,897.46 is: 269,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,617.96 : 668,623.76 = 179,897.46 : x
  2. Step 2: Convert to fraction form
    445,617.96/668,623.76 = 179,897.46/x
  3. Step 3: Cross multiply
    445,617.96x = 668,623.76 × 179,897.46
  4. Step 4: Simplify right side
    445,617.96x = 120,283,714,399.36
  5. Step 5: Solve for x
    x = 120,283,714,399.36/445,617.96
  6. Step 6: Final answer
    x = 269,925.65

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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.