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Finding the Fourth Proportional to 360,314.65, 540,494.26 and 120,450.13

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Solution

The fourth proportional to 360,314.65, 540,494.26 and 120,450.13 is: 180,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,314.65 : 540,494.26 = 120,450.13 : x
  2. Step 2: Convert to fraction form
    360,314.65/540,494.26 = 120,450.13/x
  3. Step 3: Cross multiply
    360,314.65x = 540,494.26 × 120,450.13
  4. Step 4: Simplify right side
    360,314.65x = 65,102,604,087.80
  5. Step 5: Solve for x
    x = 65,102,604,087.80/360,314.65
  6. Step 6: Final answer
    x = 180,682.65

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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.