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Finding the Fourth Proportional to 579,973.86, 869,611.37 and 260,067.83

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Solution

The fourth proportional to 579,973.86, 869,611.37 and 260,067.83 is: 389,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,973.86 : 869,611.37 = 260,067.83 : x
  2. Step 2: Convert to fraction form
    579,973.86/869,611.37 = 260,067.83/x
  3. Step 3: Cross multiply
    579,973.86x = 869,611.37 × 260,067.83
  4. Step 4: Simplify right side
    579,973.86x = 226,157,936,290.83
  5. Step 5: Solve for x
    x = 226,157,936,290.83/579,973.86
  6. Step 6: Final answer
    x = 389,945.05

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Double scale
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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.