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Finding the Fourth Proportional to 443,295.60, 664,007.40 and 293,607.60

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Solution

The fourth proportional to 443,295.60, 664,007.40 and 293,607.60 is: 439,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,295.60 : 664,007.40 = 293,607.60 : x
  2. Step 2: Convert to fraction form
    443,295.60/664,007.40 = 293,607.60/x
  3. Step 3: Cross multiply
    443,295.60x = 664,007.40 × 293,607.60
  4. Step 4: Simplify right side
    443,295.60x = 194,957,619,096.24
  5. Step 5: Solve for x
    x = 194,957,619,096.24/443,295.60
  6. Step 6: Final answer
    x = 439,791.46

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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.