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Finding the Fourth Proportional to 442,873.80, 664,310.70 and 404,166.60

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Solution

The fourth proportional to 442,873.80, 664,310.70 and 404,166.60 is: 606,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,873.80 : 664,310.70 = 404,166.60 : x
  2. Step 2: Convert to fraction form
    442,873.80/664,310.70 = 404,166.60/x
  3. Step 3: Cross multiply
    442,873.80x = 664,310.70 × 404,166.60
  4. Step 4: Simplify right side
    442,873.80x = 268,492,196,962.62
  5. Step 5: Solve for x
    x = 268,492,196,962.62/442,873.80
  6. Step 6: Final answer
    x = 606,249.90

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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.