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Finding the Fourth Proportional to 358,994.52, 495,415.82 and 197,855.46

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Solution

The fourth proportional to 358,994.52, 495,415.82 and 197,855.46 is: 273,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,994.52 : 495,415.82 = 197,855.46 : x
  2. Step 2: Convert to fraction form
    358,994.52/495,415.82 = 197,855.46/x
  3. Step 3: Cross multiply
    358,994.52x = 495,415.82 × 197,855.46
  4. Step 4: Simplify right side
    358,994.52x = 98,020,725,452.02
  5. Step 5: Solve for x
    x = 98,020,725,452.02/358,994.52
  6. Step 6: Final answer
    x = 273,042.40

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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.