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Finding the Fourth Proportional to 443,333.60, 664,064.40 and 293,645.60

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Solution

The fourth proportional to 443,333.60, 664,064.40 and 293,645.60 is: 439,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,333.60 : 664,064.40 = 293,645.60 : x
  2. Step 2: Convert to fraction form
    443,333.60/664,064.40 = 293,645.60/x
  3. Step 3: Cross multiply
    443,333.60x = 664,064.40 × 293,645.60
  4. Step 4: Simplify right side
    443,333.60x = 194,999,589,176.64
  5. Step 5: Solve for x
    x = 194,999,589,176.64/443,333.60
  6. Step 6: Final answer
    x = 439,848.43

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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.