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Finding the Fourth Proportional to 443,453.60, 665,034.60 and 162,934.40

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Solution

The fourth proportional to 443,453.60, 665,034.60 and 162,934.40 is: 244,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,453.60 : 665,034.60 = 162,934.40 : x
  2. Step 2: Convert to fraction form
    443,453.60/665,034.60 = 162,934.40/x
  3. Step 3: Cross multiply
    443,453.60x = 665,034.60 × 162,934.40
  4. Step 4: Simplify right side
    443,453.60x = 108,357,013,530.24
  5. Step 5: Solve for x
    x = 108,357,013,530.24/443,453.60
  6. Step 6: Final answer
    x = 244,348.03

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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.