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Finding the Fourth Proportional to 534,109.40, 800,127.30 and 297,027.80

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Solution

The fourth proportional to 534,109.40, 800,127.30 and 297,027.80 is: 444,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,109.40 : 800,127.30 = 297,027.80 : x
  2. Step 2: Convert to fraction form
    534,109.40/800,127.30 = 297,027.80/x
  3. Step 3: Cross multiply
    534,109.40x = 800,127.30 × 297,027.80
  4. Step 4: Simplify right side
    534,109.40x = 237,660,051,638.94
  5. Step 5: Solve for x
    x = 237,660,051,638.94/534,109.40
  6. Step 6: Final answer
    x = 444,965.12

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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.