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Finding the Fourth Proportional to 288,063.95, 397,468.91 and 165,532.66

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Solution

The fourth proportional to 288,063.95, 397,468.91 and 165,532.66 is: 228,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,063.95 : 397,468.91 = 165,532.66 : x
  2. Step 2: Convert to fraction form
    288,063.95/397,468.91 = 165,532.66/x
  3. Step 3: Cross multiply
    288,063.95x = 397,468.91 × 165,532.66
  4. Step 4: Simplify right side
    288,063.95x = 65,794,085,359.76
  5. Step 5: Solve for x
    x = 65,794,085,359.76/288,063.95
  6. Step 6: Final answer
    x = 228,400.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.