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Finding the Fourth Proportional to 573,080.40, 859,620.60 and 529,777.80

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Solution

The fourth proportional to 573,080.40, 859,620.60 and 529,777.80 is: 794,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,080.40 : 859,620.60 = 529,777.80 : x
  2. Step 2: Convert to fraction form
    573,080.40/859,620.60 = 529,777.80/x
  3. Step 3: Cross multiply
    573,080.40x = 859,620.60 × 529,777.80
  4. Step 4: Simplify right side
    573,080.40x = 455,407,910,302.68
  5. Step 5: Solve for x
    x = 455,407,910,302.68/573,080.40
  6. Step 6: Final answer
    x = 794,666.70

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Similar ratio
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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.