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Finding the Fourth Proportional to 228,045.15, 341,575.65 and 188,679.15

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Solution

The fourth proportional to 228,045.15, 341,575.65 and 188,679.15 is: 282,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.15 : 341,575.65 = 188,679.15 : x
  2. Step 2: Convert to fraction form
    228,045.15/341,575.65 = 188,679.15/x
  3. Step 3: Cross multiply
    228,045.15x = 341,575.65 × 188,679.15
  4. Step 4: Simplify right side
    228,045.15x = 64,448,203,302.70
  5. Step 5: Solve for x
    x = 64,448,203,302.70/228,045.15
  6. Step 6: Final answer
    x = 282,611.59

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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.