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Finding the Fourth Proportional to 367,466.80, 551,200.20 and 305,258.80

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Solution

The fourth proportional to 367,466.80, 551,200.20 and 305,258.80 is: 457,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,466.80 : 551,200.20 = 305,258.80 : x
  2. Step 2: Convert to fraction form
    367,466.80/551,200.20 = 305,258.80/x
  3. Step 3: Cross multiply
    367,466.80x = 551,200.20 × 305,258.80
  4. Step 4: Simplify right side
    367,466.80x = 168,258,711,611.76
  5. Step 5: Solve for x
    x = 168,258,711,611.76/367,466.80
  6. Step 6: Final answer
    x = 457,888.20

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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.