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Finding the Fourth Proportional to 352,396.30, 486,307.14 and 191,251.34

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Solution

The fourth proportional to 352,396.30, 486,307.14 and 191,251.34 is: 263,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,396.30 : 486,307.14 = 191,251.34 : x
  2. Step 2: Convert to fraction form
    352,396.30/486,307.14 = 191,251.34/x
  3. Step 3: Cross multiply
    352,396.30x = 486,307.14 × 191,251.34
  4. Step 4: Simplify right side
    352,396.30x = 93,006,894,124.86
  5. Step 5: Solve for x
    x = 93,006,894,124.86/352,396.30
  6. Step 6: Final answer
    x = 263,926.99

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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.