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Finding the Fourth Proportional to 419,449.84, 628,925.90 and 166,594.30

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Solution

The fourth proportional to 419,449.84, 628,925.90 and 166,594.30 is: 249,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,449.84 : 628,925.90 = 166,594.30 : x
  2. Step 2: Convert to fraction form
    419,449.84/628,925.90 = 166,594.30/x
  3. Step 3: Cross multiply
    419,449.84x = 628,925.90 × 166,594.30
  4. Step 4: Simplify right side
    419,449.84x = 104,775,470,062.37
  5. Step 5: Solve for x
    x = 104,775,470,062.37/419,449.84
  6. Step 6: Final answer
    x = 249,792.61

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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.