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Finding the Fourth Proportional to 348,179.34, 480,451.32 and 204,930.84

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Solution

The fourth proportional to 348,179.34, 480,451.32 and 204,930.84 is: 282,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,179.34 : 480,451.32 = 204,930.84 : x
  2. Step 2: Convert to fraction form
    348,179.34/480,451.32 = 204,930.84/x
  3. Step 3: Cross multiply
    348,179.34x = 480,451.32 × 204,930.84
  4. Step 4: Simplify right side
    348,179.34x = 98,459,292,586.71
  5. Step 5: Solve for x
    x = 98,459,292,586.71/348,179.34
  6. Step 6: Final answer
    x = 282,783.27

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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.