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Finding the Fourth Proportional to 534,710.40, 802,065.60 and 335,644.80

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Solution

The fourth proportional to 534,710.40, 802,065.60 and 335,644.80 is: 503,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,710.40 : 802,065.60 = 335,644.80 : x
  2. Step 2: Convert to fraction form
    534,710.40/802,065.60 = 335,644.80/x
  3. Step 3: Cross multiply
    534,710.40x = 802,065.60 × 335,644.80
  4. Step 4: Simplify right side
    534,710.40x = 269,209,147,898.88
  5. Step 5: Solve for x
    x = 269,209,147,898.88/534,710.40
  6. Step 6: Final answer
    x = 503,467.20

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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.