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Finding the Fourth Proportional to 505,701.41, 758,298.15 and 168,622.73

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Solution

The fourth proportional to 505,701.41, 758,298.15 and 168,622.73 is: 252,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,701.41 : 758,298.15 = 168,622.73 : x
  2. Step 2: Convert to fraction form
    505,701.41/758,298.15 = 168,622.73/x
  3. Step 3: Cross multiply
    505,701.41x = 758,298.15 × 168,622.73
  4. Step 4: Simplify right side
    505,701.41x = 127,866,304,206.95
  5. Step 5: Solve for x
    x = 127,866,304,206.95/505,701.41
  6. Step 6: Final answer
    x = 252,849.41

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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.