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Finding the Fourth Proportional to 363,008.20, 543,856.20 and 310,520.20

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Solution

The fourth proportional to 363,008.20, 543,856.20 and 310,520.20 is: 465,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,008.20 : 543,856.20 = 310,520.20 : x
  2. Step 2: Convert to fraction form
    363,008.20/543,856.20 = 310,520.20/x
  3. Step 3: Cross multiply
    363,008.20x = 543,856.20 × 310,520.20
  4. Step 4: Simplify right side
    363,008.20x = 168,878,335,995.24
  5. Step 5: Solve for x
    x = 168,878,335,995.24/363,008.20
  6. Step 6: Final answer
    x = 465,219.07

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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.