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Finding the Fourth Proportional to 450,052.80, 675,079.20 and 443,054.40

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Solution

The fourth proportional to 450,052.80, 675,079.20 and 443,054.40 is: 664,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,052.80 : 675,079.20 = 443,054.40 : x
  2. Step 2: Convert to fraction form
    450,052.80/675,079.20 = 443,054.40/x
  3. Step 3: Cross multiply
    450,052.80x = 675,079.20 × 443,054.40
  4. Step 4: Simplify right side
    450,052.80x = 299,096,809,908.48
  5. Step 5: Solve for x
    x = 299,096,809,908.48/450,052.80
  6. Step 6: Final answer
    x = 664,581.60

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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.