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Finding the Fourth Proportional to 434,620.20, 651,930.30 and 244,885.80

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Solution

The fourth proportional to 434,620.20, 651,930.30 and 244,885.80 is: 367,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,620.20 : 651,930.30 = 244,885.80 : x
  2. Step 2: Convert to fraction form
    434,620.20/651,930.30 = 244,885.80/x
  3. Step 3: Cross multiply
    434,620.20x = 651,930.30 × 244,885.80
  4. Step 4: Simplify right side
    434,620.20x = 159,648,473,059.74
  5. Step 5: Solve for x
    x = 159,648,473,059.74/434,620.20
  6. Step 6: Final answer
    x = 367,328.70

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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.