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Finding the Fourth Proportional to 358,949.98, 495,264.48 and 236,429.48

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Solution

The fourth proportional to 358,949.98, 495,264.48 and 236,429.48 is: 326,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,949.98 : 495,264.48 = 236,429.48 : x
  2. Step 2: Convert to fraction form
    358,949.98/495,264.48 = 236,429.48/x
  3. Step 3: Cross multiply
    358,949.98x = 495,264.48 × 236,429.48
  4. Step 4: Simplify right side
    358,949.98x = 117,095,123,820.42
  5. Step 5: Solve for x
    x = 117,095,123,820.42/358,949.98
  6. Step 6: Final answer
    x = 326,215.71

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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.