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Finding the Fourth Proportional to 621,825, 932,745.82 and 195,346.92

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Solution

The fourth proportional to 621,825, 932,745.82 and 195,346.92 is: 293,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,825 : 932,745.82 = 195,346.92 : x
  2. Step 2: Convert to fraction form
    621,825/932,745.82 = 195,346.92/x
  3. Step 3: Cross multiply
    621,825x = 932,745.82 × 195,346.92
  4. Step 4: Simplify right side
    621,825x = 182,209,023,079.87
  5. Step 5: Solve for x
    x = 182,209,023,079.87/621,825
  6. Step 6: Final answer
    x = 293,022.99

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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.