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Finding the Fourth Proportional to 606,883.86, 837,026.26 and 389,113.34

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Solution

The fourth proportional to 606,883.86, 837,026.26 and 389,113.34 is: 536,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,883.86 : 837,026.26 = 389,113.34 : x
  2. Step 2: Convert to fraction form
    606,883.86/837,026.26 = 389,113.34/x
  3. Step 3: Cross multiply
    606,883.86x = 837,026.26 × 389,113.34
  4. Step 4: Simplify right side
    606,883.86x = 325,698,078,538.39
  5. Step 5: Solve for x
    x = 325,698,078,538.39/606,883.86
  6. Step 6: Final answer
    x = 536,672.83

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Similar ratio
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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.