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Finding the Fourth Proportional to 534,764.40, 802,146.60 and 335,698.80

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Solution

The fourth proportional to 534,764.40, 802,146.60 and 335,698.80 is: 503,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,764.40 : 802,146.60 = 335,698.80 : x
  2. Step 2: Convert to fraction form
    534,764.40/802,146.60 = 335,698.80/x
  3. Step 3: Cross multiply
    534,764.40x = 802,146.60 × 335,698.80
  4. Step 4: Simplify right side
    534,764.40x = 269,279,651,044.08
  5. Step 5: Solve for x
    x = 269,279,651,044.08/534,764.40
  6. Step 6: Final answer
    x = 503,548.20

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1.5x scale

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.