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Finding the Fourth Proportional to 333,479.40, 499,878.90 and 164,740.20

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Solution

The fourth proportional to 333,479.40, 499,878.90 and 164,740.20 is: 246,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,479.40 : 499,878.90 = 164,740.20 : x
  2. Step 2: Convert to fraction form
    333,479.40/499,878.90 = 164,740.20/x
  3. Step 3: Cross multiply
    333,479.40x = 499,878.90 × 164,740.20
  4. Step 4: Simplify right side
    333,479.40x = 82,350,149,961.78
  5. Step 5: Solve for x
    x = 82,350,149,961.78/333,479.40
  6. Step 6: Final answer
    x = 246,942.24

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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.