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Finding the Fourth Proportional to 330,986.10, 496,479.15 and 330,986.10

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Solution

The fourth proportional to 330,986.10, 496,479.15 and 330,986.10 is: 496,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,986.10 : 496,479.15 = 330,986.10 : x
  2. Step 2: Convert to fraction form
    330,986.10/496,479.15 = 330,986.10/x
  3. Step 3: Cross multiply
    330,986.10x = 496,479.15 × 330,986.10
  4. Step 4: Simplify right side
    330,986.10x = 164,327,697,589.82
  5. Step 5: Solve for x
    x = 164,327,697,589.82/330,986.10
  6. Step 6: Final answer
    x = 496,479.15

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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.