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Finding the Fourth Proportional to 534,774.30, 802,377.45 and 235,311.90

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Solution

The fourth proportional to 534,774.30, 802,377.45 and 235,311.90 is: 353,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,774.30 : 802,377.45 = 235,311.90 : x
  2. Step 2: Convert to fraction form
    534,774.30/802,377.45 = 235,311.90/x
  3. Step 3: Cross multiply
    534,774.30x = 802,377.45 × 235,311.90
  4. Step 4: Simplify right side
    534,774.30x = 188,808,962,276.66
  5. Step 5: Solve for x
    x = 188,808,962,276.66/534,774.30
  6. Step 6: Final answer
    x = 353,062.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.