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Finding the Fourth Proportional to 532,611.90, 798,529.05 and 216,906.30

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Solution

The fourth proportional to 532,611.90, 798,529.05 and 216,906.30 is: 325,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,611.90 : 798,529.05 = 216,906.30 : x
  2. Step 2: Convert to fraction form
    532,611.90/798,529.05 = 216,906.30/x
  3. Step 3: Cross multiply
    532,611.90x = 798,529.05 × 216,906.30
  4. Step 4: Simplify right side
    532,611.90x = 173,205,981,678.02
  5. Step 5: Solve for x
    x = 173,205,981,678.02/532,611.90
  6. Step 6: Final answer
    x = 325,201.11

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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.