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Finding the Fourth Proportional to 443,455.60, 665,183.40 and 194,623.60

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Solution

The fourth proportional to 443,455.60, 665,183.40 and 194,623.60 is: 291,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,455.60 : 665,183.40 = 194,623.60 : x
  2. Step 2: Convert to fraction form
    443,455.60/665,183.40 = 194,623.60/x
  3. Step 3: Cross multiply
    443,455.60x = 665,183.40 × 194,623.60
  4. Step 4: Simplify right side
    443,455.60x = 129,460,387,968.24
  5. Step 5: Solve for x
    x = 129,460,387,968.24/443,455.60
  6. Step 6: Final answer
    x = 291,935.40

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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.