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Finding the Fourth Proportional to 432,000.96, 648,096.12 and 132,504

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Solution

The fourth proportional to 432,000.96, 648,096.12 and 132,504 is: 198,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,000.96 : 648,096.12 = 132,504 : x
  2. Step 2: Convert to fraction form
    432,000.96/648,096.12 = 132,504/x
  3. Step 3: Cross multiply
    432,000.96x = 648,096.12 × 132,504
  4. Step 4: Simplify right side
    432,000.96x = 85,875,328,284.48
  5. Step 5: Solve for x
    x = 85,875,328,284.48/432,000.96
  6. Step 6: Final answer
    x = 198,785.04

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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.