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Finding the Fourth Proportional to 443,550.11, 612,099.32 and 239,601.02

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Solution

The fourth proportional to 443,550.11, 612,099.32 and 239,601.02 is: 330,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,550.11 : 612,099.32 = 239,601.02 : x
  2. Step 2: Convert to fraction form
    443,550.11/612,099.32 = 239,601.02/x
  3. Step 3: Cross multiply
    443,550.11x = 612,099.32 × 239,601.02
  4. Step 4: Simplify right side
    443,550.11x = 146,659,617,154.81
  5. Step 5: Solve for x
    x = 146,659,617,154.81/443,550.11
  6. Step 6: Final answer
    x = 330,649.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.