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Finding the Fourth Proportional to 496,520.40, 744,706.80 and 180,903.72

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Solution

The fourth proportional to 496,520.40, 744,706.80 and 180,903.72 is: 271,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,520.40 : 744,706.80 = 180,903.72 : x
  2. Step 2: Convert to fraction form
    496,520.40/744,706.80 = 180,903.72/x
  3. Step 3: Cross multiply
    496,520.40x = 744,706.80 × 180,903.72
  4. Step 4: Simplify right side
    496,520.40x = 134,720,230,429.30
  5. Step 5: Solve for x
    x = 134,720,230,429.30/496,520.40
  6. Step 6: Final answer
    x = 271,328.69

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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.