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Finding the Fourth Proportional to 367,857.64, 552,172.56 and 326,005.48

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Solution

The fourth proportional to 367,857.64, 552,172.56 and 326,005.48 is: 489,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,857.64 : 552,172.56 = 326,005.48 : x
  2. Step 2: Convert to fraction form
    367,857.64/552,172.56 = 326,005.48/x
  3. Step 3: Cross multiply
    367,857.64x = 552,172.56 × 326,005.48
  4. Step 4: Simplify right side
    367,857.64x = 180,011,280,465.63
  5. Step 5: Solve for x
    x = 180,011,280,465.63/367,857.64
  6. Step 6: Final answer
    x = 489,350.39

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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.