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Finding the Fourth Proportional to 443,304.30, 664,956.45 and 303,336.30

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Solution

The fourth proportional to 443,304.30, 664,956.45 and 303,336.30 is: 455,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,304.30 : 664,956.45 = 303,336.30 : x
  2. Step 2: Convert to fraction form
    443,304.30/664,956.45 = 303,336.30/x
  3. Step 3: Cross multiply
    443,304.30x = 664,956.45 × 303,336.30
  4. Step 4: Simplify right side
    443,304.30x = 201,705,429,204.14
  5. Step 5: Solve for x
    x = 201,705,429,204.14/443,304.30
  6. Step 6: Final answer
    x = 455,004.45

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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.