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Finding the Fourth Proportional to 603,122.60, 904,683.90 and 159,890.60

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Solution

The fourth proportional to 603,122.60, 904,683.90 and 159,890.60 is: 239,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,122.60 : 904,683.90 = 159,890.60 : x
  2. Step 2: Convert to fraction form
    603,122.60/904,683.90 = 159,890.60/x
  3. Step 3: Cross multiply
    603,122.60x = 904,683.90 × 159,890.60
  4. Step 4: Simplify right side
    603,122.60x = 144,650,451,581.34
  5. Step 5: Solve for x
    x = 144,650,451,581.34/603,122.60
  6. Step 6: Final answer
    x = 239,835.90

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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.