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Finding the Fourth Proportional to 443,302.90, 664,954.35 and 162,783.70

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Solution

The fourth proportional to 443,302.90, 664,954.35 and 162,783.70 is: 244,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,302.90 : 664,954.35 = 162,783.70 : x
  2. Step 2: Convert to fraction form
    443,302.90/664,954.35 = 162,783.70/x
  3. Step 3: Cross multiply
    443,302.90x = 664,954.35 × 162,783.70
  4. Step 4: Simplify right side
    443,302.90x = 108,243,729,424.10
  5. Step 5: Solve for x
    x = 108,243,729,424.10/443,302.90
  6. Step 6: Final answer
    x = 244,175.55

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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.