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Finding the Fourth Proportional to 603,183.60, 904,746.60 and 203,785.20

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Solution

The fourth proportional to 603,183.60, 904,746.60 and 203,785.20 is: 305,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,183.60 : 904,746.60 = 203,785.20 : x
  2. Step 2: Convert to fraction form
    603,183.60/904,746.60 = 203,785.20/x
  3. Step 3: Cross multiply
    603,183.60x = 904,746.60 × 203,785.20
  4. Step 4: Simplify right side
    603,183.60x = 184,373,966,830.32
  5. Step 5: Solve for x
    x = 184,373,966,830.32/603,183.60
  6. Step 6: Final answer
    x = 305,668.07

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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.