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Finding the Fourth Proportional to 323,346.20, 484,808.07 and 154,861.04

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Solution

The fourth proportional to 323,346.20, 484,808.07 and 154,861.04 is: 232,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,346.20 : 484,808.07 = 154,861.04 : x
  2. Step 2: Convert to fraction form
    323,346.20/484,808.07 = 154,861.04/x
  3. Step 3: Cross multiply
    323,346.20x = 484,808.07 × 154,861.04
  4. Step 4: Simplify right side
    323,346.20x = 75,077,881,920.59
  5. Step 5: Solve for x
    x = 75,077,881,920.59/323,346.20
  6. Step 6: Final answer
    x = 232,190.40

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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.