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Finding the Fourth Proportional to 445,653.60, 668,710.16 and 295,997.44

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Solution

The fourth proportional to 445,653.60, 668,710.16 and 295,997.44 is: 444,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,653.60 : 668,710.16 = 295,997.44 : x
  2. Step 2: Convert to fraction form
    445,653.60/668,710.16 = 295,997.44/x
  3. Step 3: Cross multiply
    445,653.60x = 668,710.16 × 295,997.44
  4. Step 4: Simplify right side
    445,653.60x = 197,936,495,461.99
  5. Step 5: Solve for x
    x = 197,936,495,461.99/445,653.60
  6. Step 6: Final answer
    x = 444,148.76

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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.