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Finding the Fourth Proportional to 366,932.99, 550,450.52 and 130,219.40

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Solution

The fourth proportional to 366,932.99, 550,450.52 and 130,219.40 is: 195,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,932.99 : 550,450.52 = 130,219.40 : x
  2. Step 2: Convert to fraction form
    366,932.99/550,450.52 = 130,219.40/x
  3. Step 3: Cross multiply
    366,932.99x = 550,450.52 × 130,219.40
  4. Step 4: Simplify right side
    366,932.99x = 71,679,336,444.09
  5. Step 5: Solve for x
    x = 71,679,336,444.09/366,932.99
  6. Step 6: Final answer
    x = 195,347.21

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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.