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Finding the Fourth Proportional to 306,245.81, 459,461.96 and 156,591.22

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Solution

The fourth proportional to 306,245.81, 459,461.96 and 156,591.22 is: 234,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,245.81 : 459,461.96 = 156,591.22 : x
  2. Step 2: Convert to fraction form
    306,245.81/459,461.96 = 156,591.22/x
  3. Step 3: Cross multiply
    306,245.81x = 459,461.96 × 156,591.22
  4. Step 4: Simplify right side
    306,245.81x = 71,947,708,859.99
  5. Step 5: Solve for x
    x = 71,947,708,859.99/306,245.81
  6. Step 6: Final answer
    x = 234,934.51

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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.