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Finding the Fourth Proportional to 534,782.40, 802,173.60 and 366,820.80

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Solution

The fourth proportional to 534,782.40, 802,173.60 and 366,820.80 is: 550,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,782.40 : 802,173.60 = 366,820.80 : x
  2. Step 2: Convert to fraction form
    534,782.40/802,173.60 = 366,820.80/x
  3. Step 3: Cross multiply
    534,782.40x = 802,173.60 × 366,820.80
  4. Step 4: Simplify right side
    534,782.40x = 294,253,961,690.88
  5. Step 5: Solve for x
    x = 294,253,961,690.88/534,782.40
  6. Step 6: Final answer
    x = 550,231.20

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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.