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Finding the Fourth Proportional to 443,262.72, 664,894.08 and 110,838.72

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Solution

The fourth proportional to 443,262.72, 664,894.08 and 110,838.72 is: 166,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,262.72 : 664,894.08 = 110,838.72 : x
  2. Step 2: Convert to fraction form
    443,262.72/664,894.08 = 110,838.72/x
  3. Step 3: Cross multiply
    443,262.72x = 664,894.08 × 110,838.72
  4. Step 4: Simplify right side
    443,262.72x = 73,696,008,762.78
  5. Step 5: Solve for x
    x = 73,696,008,762.78/443,262.72
  6. Step 6: Final answer
    x = 166,258.08

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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.