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Finding the Fourth Proportional to 330,110.10, 496,222.20 and 306,709.20

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Solution

The fourth proportional to 330,110.10, 496,222.20 and 306,709.20 is: 461,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,110.10 : 496,222.20 = 306,709.20 : x
  2. Step 2: Convert to fraction form
    330,110.10/496,222.20 = 306,709.20/x
  3. Step 3: Cross multiply
    330,110.10x = 496,222.20 × 306,709.20
  4. Step 4: Simplify right side
    330,110.10x = 152,195,913,984.24
  5. Step 5: Solve for x
    x = 152,195,913,984.24/330,110.10
  6. Step 6: Final answer
    x = 461,045.92

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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.