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Finding the Fourth Proportional to 625,371.60, 863,018.10 and 367,181.40

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Solution

The fourth proportional to 625,371.60, 863,018.10 and 367,181.40 is: 506,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,371.60 : 863,018.10 = 367,181.40 : x
  2. Step 2: Convert to fraction form
    625,371.60/863,018.10 = 367,181.40/x
  3. Step 3: Cross multiply
    625,371.60x = 863,018.10 × 367,181.40
  4. Step 4: Simplify right side
    625,371.60x = 316,884,194,183.34
  5. Step 5: Solve for x
    x = 316,884,194,183.34/625,371.60
  6. Step 6: Final answer
    x = 506,713.44

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