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Finding the Fourth Proportional to 443,582.38, 665,564.24 and 144,154.74

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Solution

The fourth proportional to 443,582.38, 665,564.24 and 144,154.74 is: 216,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,582.38 : 665,564.24 = 144,154.74 : x
  2. Step 2: Convert to fraction form
    443,582.38/665,564.24 = 144,154.74/x
  3. Step 3: Cross multiply
    443,582.38x = 665,564.24 × 144,154.74
  4. Step 4: Simplify right side
    443,582.38x = 95,944,239,082.95
  5. Step 5: Solve for x
    x = 95,944,239,082.95/443,582.38
  6. Step 6: Final answer
    x = 216,294.07

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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.