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Finding the Fourth Proportional to 352,390.50, 486,702.54 and 232,069.59

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Solution

The fourth proportional to 352,390.50, 486,702.54 and 232,069.59 is: 320,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,390.50 : 486,702.54 = 232,069.59 : x
  2. Step 2: Convert to fraction form
    352,390.50/486,702.54 = 232,069.59/x
  3. Step 3: Cross multiply
    352,390.50x = 486,702.54 × 232,069.59
  4. Step 4: Simplify right side
    352,390.50x = 112,948,858,909.76
  5. Step 5: Solve for x
    x = 112,948,858,909.76/352,390.50
  6. Step 6: Final answer
    x = 320,521.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.