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Finding the Fourth Proportional to 509,953.80, 764,930.70 and 244,233.30

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Solution

The fourth proportional to 509,953.80, 764,930.70 and 244,233.30 is: 366,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,953.80 : 764,930.70 = 244,233.30 : x
  2. Step 2: Convert to fraction form
    509,953.80/764,930.70 = 244,233.30/x
  3. Step 3: Cross multiply
    509,953.80x = 764,930.70 × 244,233.30
  4. Step 4: Simplify right side
    509,953.80x = 186,821,549,132.31
  5. Step 5: Solve for x
    x = 186,821,549,132.31/509,953.80
  6. Step 6: Final answer
    x = 366,349.95

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Similar ratio
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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.