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Finding the Fourth Proportional to 361,720.50, 499,172.28 and 200,599.36

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Solution

The fourth proportional to 361,720.50, 499,172.28 and 200,599.36 is: 276,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,720.50 : 499,172.28 = 200,599.36 : x
  2. Step 2: Convert to fraction form
    361,720.50/499,172.28 = 200,599.36/x
  3. Step 3: Cross multiply
    361,720.50x = 499,172.28 × 200,599.36
  4. Step 4: Simplify right side
    361,720.50x = 100,133,639,897.74
  5. Step 5: Solve for x
    x = 100,133,639,897.74/361,720.50
  6. Step 6: Final answer
    x = 276,826.00

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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.