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Finding the Fourth Proportional to 569,662.60, 854,493.90 and 477,041.80

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Solution

The fourth proportional to 569,662.60, 854,493.90 and 477,041.80 is: 715,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,662.60 : 854,493.90 = 477,041.80 : x
  2. Step 2: Convert to fraction form
    569,662.60/854,493.90 = 477,041.80/x
  3. Step 3: Cross multiply
    569,662.60x = 854,493.90 × 477,041.80
  4. Step 4: Simplify right side
    569,662.60x = 407,629,308,145.02
  5. Step 5: Solve for x
    x = 407,629,308,145.02/569,662.60
  6. Step 6: Final answer
    x = 715,562.70

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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.