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Finding the Fourth Proportional to 443,602.04, 665,593.68 and 144,174.38

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Solution

The fourth proportional to 443,602.04, 665,593.68 and 144,174.38 is: 216,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,602.04 : 665,593.68 = 144,174.38 : x
  2. Step 2: Convert to fraction form
    443,602.04/665,593.68 = 144,174.38/x
  3. Step 3: Cross multiply
    443,602.04x = 665,593.68 × 144,174.38
  4. Step 4: Simplify right side
    443,602.04x = 95,961,556,145.92
  5. Step 5: Solve for x
    x = 95,961,556,145.92/443,602.04
  6. Step 6: Final answer
    x = 216,323.52

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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.