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Finding the Fourth Proportional to 603,003.60, 904,505.40 and 570,344.40

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Solution

The fourth proportional to 603,003.60, 904,505.40 and 570,344.40 is: 855,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003.60 : 904,505.40 = 570,344.40 : x
  2. Step 2: Convert to fraction form
    603,003.60/904,505.40 = 570,344.40/x
  3. Step 3: Cross multiply
    603,003.60x = 904,505.40 × 570,344.40
  4. Step 4: Simplify right side
    603,003.60x = 515,879,589,659.76
  5. Step 5: Solve for x
    x = 515,879,589,659.76/603,003.60
  6. Step 6: Final answer
    x = 855,516.60

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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.