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Finding the Fourth Proportional to 651,635.60, 976,992.60 and 296,819.60

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Solution

The fourth proportional to 651,635.60, 976,992.60 and 296,819.60 is: 445,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,635.60 : 976,992.60 = 296,819.60 : x
  2. Step 2: Convert to fraction form
    651,635.60/976,992.60 = 296,819.60/x
  3. Step 3: Cross multiply
    651,635.60x = 976,992.60 × 296,819.60
  4. Step 4: Simplify right side
    651,635.60x = 289,990,552,734.96
  5. Step 5: Solve for x
    x = 289,990,552,734.96/651,635.60
  6. Step 6: Final answer
    x = 445,019.51

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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.