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Finding the Fourth Proportional to 284,200.60, 425,739.30 and 184,430.20

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Solution

The fourth proportional to 284,200.60, 425,739.30 and 184,430.20 is: 276,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,200.60 : 425,739.30 = 184,430.20 : x
  2. Step 2: Convert to fraction form
    284,200.60/425,739.30 = 184,430.20/x
  3. Step 3: Cross multiply
    284,200.60x = 425,739.30 × 184,430.20
  4. Step 4: Simplify right side
    284,200.60x = 78,519,184,246.86
  5. Step 5: Solve for x
    x = 78,519,184,246.86/284,200.60
  6. Step 6: Final answer
    x = 276,280.85

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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.