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Finding the Fourth Proportional to 522,407.58, 783,906.66 and 222,859.86

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Solution

The fourth proportional to 522,407.58, 783,906.66 and 222,859.86 is: 334,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,407.58 : 783,906.66 = 222,859.86 : x
  2. Step 2: Convert to fraction form
    522,407.58/783,906.66 = 222,859.86/x
  3. Step 3: Cross multiply
    522,407.58x = 783,906.66 × 222,859.86
  4. Step 4: Simplify right side
    522,407.58x = 174,701,328,500.67
  5. Step 5: Solve for x
    x = 174,701,328,500.67/522,407.58
  6. Step 6: Final answer
    x = 334,415.76

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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.