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Finding the Fourth Proportional to 332,176.70, 498,265.05 and 323,428.70

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Solution

The fourth proportional to 332,176.70, 498,265.05 and 323,428.70 is: 485,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,176.70 : 498,265.05 = 323,428.70 : x
  2. Step 2: Convert to fraction form
    332,176.70/498,265.05 = 323,428.70/x
  3. Step 3: Cross multiply
    332,176.70x = 498,265.05 × 323,428.70
  4. Step 4: Simplify right side
    332,176.70x = 161,153,217,376.94
  5. Step 5: Solve for x
    x = 161,153,217,376.94/332,176.70
  6. Step 6: Final answer
    x = 485,143.05

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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.