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Finding the Fourth Proportional to 330,675.22, 495,857.28 and 230,948.02

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Solution

The fourth proportional to 330,675.22, 495,857.28 and 230,948.02 is: 346,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,675.22 : 495,857.28 = 230,948.02 : x
  2. Step 2: Convert to fraction form
    330,675.22/495,857.28 = 230,948.02/x
  3. Step 3: Cross multiply
    330,675.22x = 495,857.28 × 230,948.02
  4. Step 4: Simplify right side
    330,675.22x = 114,517,257,018.59
  5. Step 5: Solve for x
    x = 114,517,257,018.59/330,675.22
  6. Step 6: Final answer
    x = 346,313.39

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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.