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Finding the Fourth Proportional to 648,072.66, 894,383.46 and 361,599.15

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Solution

The fourth proportional to 648,072.66, 894,383.46 and 361,599.15 is: 499,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,072.66 : 894,383.46 = 361,599.15 : x
  2. Step 2: Convert to fraction form
    648,072.66/894,383.46 = 361,599.15/x
  3. Step 3: Cross multiply
    648,072.66x = 894,383.46 × 361,599.15
  4. Step 4: Simplify right side
    648,072.66x = 323,408,298,910.06
  5. Step 5: Solve for x
    x = 323,408,298,910.06/648,072.66
  6. Step 6: Final answer
    x = 499,030.92

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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.