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Finding the Fourth Proportional to 443,573.30, 665,415.22 and 173,666.54

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Solution

The fourth proportional to 443,573.30, 665,415.22 and 173,666.54 is: 260,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,573.30 : 665,415.22 = 173,666.54 : x
  2. Step 2: Convert to fraction form
    443,573.30/665,415.22 = 173,666.54/x
  3. Step 3: Cross multiply
    443,573.30x = 665,415.22 × 173,666.54
  4. Step 4: Simplify right side
    443,573.30x = 115,560,358,920.74
  5. Step 5: Solve for x
    x = 115,560,358,920.74/443,573.30
  6. Step 6: Final answer
    x = 260,521.45

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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.