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Finding the Fourth Proportional to 220,451.83, 330,813.11 and 175,205.53

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Solution

The fourth proportional to 220,451.83, 330,813.11 and 175,205.53 is: 262,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,451.83 : 330,813.11 = 175,205.53 : x
  2. Step 2: Convert to fraction form
    220,451.83/330,813.11 = 175,205.53/x
  3. Step 3: Cross multiply
    220,451.83x = 330,813.11 × 175,205.53
  4. Step 4: Simplify right side
    220,451.83x = 57,960,286,268.50
  5. Step 5: Solve for x
    x = 57,960,286,268.50/220,451.83
  6. Step 6: Final answer
    x = 262,915.88

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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.