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Finding the Fourth Proportional to 422,992.52, 634,488.80 and 246,730.04

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Solution

The fourth proportional to 422,992.52, 634,488.80 and 246,730.04 is: 370,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,992.52 : 634,488.80 = 246,730.04 : x
  2. Step 2: Convert to fraction form
    422,992.52/634,488.80 = 246,730.04/x
  3. Step 3: Cross multiply
    422,992.52x = 634,488.80 × 246,730.04
  4. Step 4: Simplify right side
    422,992.52x = 156,547,447,003.55
  5. Step 5: Solve for x
    x = 156,547,447,003.55/422,992.52
  6. Step 6: Final answer
    x = 370,095.07

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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.