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Finding the Fourth Proportional to 515,596.56, 773,394.90 and 160,639.20

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Solution

The fourth proportional to 515,596.56, 773,394.90 and 160,639.20 is: 240,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,596.56 : 773,394.90 = 160,639.20 : x
  2. Step 2: Convert to fraction form
    515,596.56/773,394.90 = 160,639.20/x
  3. Step 3: Cross multiply
    515,596.56x = 773,394.90 × 160,639.20
  4. Step 4: Simplify right side
    515,596.56x = 124,237,538,020.08
  5. Step 5: Solve for x
    x = 124,237,538,020.08/515,596.56
  6. Step 6: Final answer
    x = 240,958.82

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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.