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Finding the Fourth Proportional to 358,886.23, 495,274.21 and 205,952.39

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Solution

The fourth proportional to 358,886.23, 495,274.21 and 205,952.39 is: 284,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,886.23 : 495,274.21 = 205,952.39 : x
  2. Step 2: Convert to fraction form
    358,886.23/495,274.21 = 205,952.39/x
  3. Step 3: Cross multiply
    358,886.23x = 495,274.21 × 205,952.39
  4. Step 4: Simplify right side
    358,886.23x = 102,002,908,499.95
  5. Step 5: Solve for x
    x = 102,002,908,499.95/358,886.23
  6. Step 6: Final answer
    x = 284,220.74

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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.