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Finding the Fourth Proportional to 479,495.16, 719,243.08 and 163,954.44

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Solution

The fourth proportional to 479,495.16, 719,243.08 and 163,954.44 is: 245,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,495.16 : 719,243.08 = 163,954.44 : x
  2. Step 2: Convert to fraction form
    479,495.16/719,243.08 = 163,954.44/x
  3. Step 3: Cross multiply
    479,495.16x = 719,243.08 × 163,954.44
  4. Step 4: Simplify right side
    479,495.16x = 117,923,096,405.28
  5. Step 5: Solve for x
    x = 117,923,096,405.28/479,495.16
  6. Step 6: Final answer
    x = 245,931.78

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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.