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Finding the Fourth Proportional to 348,293.96, 480,645.24 and 203,105.60

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Solution

The fourth proportional to 348,293.96, 480,645.24 and 203,105.60 is: 280,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,293.96 : 480,645.24 = 203,105.60 : x
  2. Step 2: Convert to fraction form
    348,293.96/480,645.24 = 203,105.60/x
  3. Step 3: Cross multiply
    348,293.96x = 480,645.24 × 203,105.60
  4. Step 4: Simplify right side
    348,293.96x = 97,621,739,857.34
  5. Step 5: Solve for x
    x = 97,621,739,857.34/348,293.96
  6. Step 6: Final answer
    x = 280,285.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.