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Finding the Fourth Proportional to 350,672.40, 526,008.60 and 329,677.20

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Solution

The fourth proportional to 350,672.40, 526,008.60 and 329,677.20 is: 494,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,672.40 : 526,008.60 = 329,677.20 : x
  2. Step 2: Convert to fraction form
    350,672.40/526,008.60 = 329,677.20/x
  3. Step 3: Cross multiply
    350,672.40x = 526,008.60 × 329,677.20
  4. Step 4: Simplify right side
    350,672.40x = 173,413,042,423.92
  5. Step 5: Solve for x
    x = 173,413,042,423.92/350,672.40
  6. Step 6: Final answer
    x = 494,515.80

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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.