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Finding the Fourth Proportional to 306,982.92, 459,624.12 and 156,900.02

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Solution

The fourth proportional to 306,982.92, 459,624.12 and 156,900.02 is: 234,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,982.92 : 459,624.12 = 156,900.02 : x
  2. Step 2: Convert to fraction form
    306,982.92/459,624.12 = 156,900.02/x
  3. Step 3: Cross multiply
    306,982.92x = 459,624.12 × 156,900.02
  4. Step 4: Simplify right side
    306,982.92x = 72,115,033,620.48
  5. Step 5: Solve for x
    x = 72,115,033,620.48/306,982.92
  6. Step 6: Final answer
    x = 234,915.46

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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.