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Finding the Fourth Proportional to 352,851.30, 486,926.37 and 191,702.70

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Solution

The fourth proportional to 352,851.30, 486,926.37 and 191,702.70 is: 264,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,851.30 : 486,926.37 = 191,702.70 : x
  2. Step 2: Convert to fraction form
    352,851.30/486,926.37 = 191,702.70/x
  3. Step 3: Cross multiply
    352,851.30x = 486,926.37 × 191,702.70
  4. Step 4: Simplify right side
    352,851.30x = 93,345,099,830.20
  5. Step 5: Solve for x
    x = 93,345,099,830.20/352,851.30
  6. Step 6: Final answer
    x = 264,545.15

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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.