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Finding the Fourth Proportional to 323,145.60, 484,815.60 and 173,457.60

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Solution

The fourth proportional to 323,145.60, 484,815.60 and 173,457.60 is: 260,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,145.60 : 484,815.60 = 173,457.60 : x
  2. Step 2: Convert to fraction form
    323,145.60/484,815.60 = 173,457.60/x
  3. Step 3: Cross multiply
    323,145.60x = 484,815.60 × 173,457.60
  4. Step 4: Simplify right side
    323,145.60x = 84,094,950,418.56
  5. Step 5: Solve for x
    x = 84,094,950,418.56/323,145.60
  6. Step 6: Final answer
    x = 260,238.57

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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.