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Finding the Fourth Proportional to 675,819.64, 932,624 and 365,715.44

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Solution

The fourth proportional to 675,819.64, 932,624 and 365,715.44 is: 504,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,819.64 : 932,624 = 365,715.44 : x
  2. Step 2: Convert to fraction form
    675,819.64/932,624 = 365,715.44/x
  3. Step 3: Cross multiply
    675,819.64x = 932,624 × 365,715.44
  4. Step 4: Simplify right side
    675,819.64x = 341,074,996,514.56
  5. Step 5: Solve for x
    x = 341,074,996,514.56/675,819.64
  6. Step 6: Final answer
    x = 504,683.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.