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Finding the Fourth Proportional to 443,594.54, 665,582.43 and 144,166.88

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Solution

The fourth proportional to 443,594.54, 665,582.43 and 144,166.88 is: 216,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,594.54 : 665,582.43 = 144,166.88 : x
  2. Step 2: Convert to fraction form
    443,594.54/665,582.43 = 144,166.88/x
  3. Step 3: Cross multiply
    443,594.54x = 665,582.43 × 144,166.88
  4. Step 4: Simplify right side
    443,594.54x = 95,954,942,315.92
  5. Step 5: Solve for x
    x = 95,954,942,315.92/443,594.54
  6. Step 6: Final answer
    x = 216,312.27

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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.