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Finding the Fourth Proportional to 323,336.71, 484,793.81 and 154,851.55

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Solution

The fourth proportional to 323,336.71, 484,793.81 and 154,851.55 is: 232,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,336.71 : 484,793.81 = 154,851.55 : x
  2. Step 2: Convert to fraction form
    323,336.71/484,793.81 = 154,851.55/x
  3. Step 3: Cross multiply
    323,336.71x = 484,793.81 × 154,851.55
  4. Step 4: Simplify right side
    323,336.71x = 75,071,071,503.36
  5. Step 5: Solve for x
    x = 75,071,071,503.36/323,336.71
  6. Step 6: Final answer
    x = 232,176.15

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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.