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Finding the Fourth Proportional to 284,321.60, 425,920.80 and 184,551.20

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Solution

The fourth proportional to 284,321.60, 425,920.80 and 184,551.20 is: 276,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,321.60 : 425,920.80 = 184,551.20 : x
  2. Step 2: Convert to fraction form
    284,321.60/425,920.80 = 184,551.20/x
  3. Step 3: Cross multiply
    284,321.60x = 425,920.80 × 184,551.20
  4. Step 4: Simplify right side
    284,321.60x = 78,604,194,744.96
  5. Step 5: Solve for x
    x = 78,604,194,744.96/284,321.60
  6. Step 6: Final answer
    x = 276,462.27

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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.