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Finding the Fourth Proportional to 603,007.70, 904,511.55 and 248,276.30

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Solution

The fourth proportional to 603,007.70, 904,511.55 and 248,276.30 is: 372,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,007.70 : 904,511.55 = 248,276.30 : x
  2. Step 2: Convert to fraction form
    603,007.70/904,511.55 = 248,276.30/x
  3. Step 3: Cross multiply
    603,007.70x = 904,511.55 × 248,276.30
  4. Step 4: Simplify right side
    603,007.70x = 224,568,780,941.27
  5. Step 5: Solve for x
    x = 224,568,780,941.27/603,007.70
  6. Step 6: Final answer
    x = 372,414.45

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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.