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Finding the Fourth Proportional to 216,832.80, 324,730.80 and 175,360.80

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Solution

The fourth proportional to 216,832.80, 324,730.80 and 175,360.80 is: 262,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,832.80 : 324,730.80 = 175,360.80 : x
  2. Step 2: Convert to fraction form
    216,832.80/324,730.80 = 175,360.80/x
  3. Step 3: Cross multiply
    216,832.80x = 324,730.80 × 175,360.80
  4. Step 4: Simplify right side
    216,832.80x = 56,945,052,872.64
  5. Step 5: Solve for x
    x = 56,945,052,872.64/216,832.80
  6. Step 6: Final answer
    x = 262,621.95

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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.