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Finding the Fourth Proportional to 565,090.69, 847,642.64 and 165,739.48

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Solution

The fourth proportional to 565,090.69, 847,642.64 and 165,739.48 is: 248,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,090.69 : 847,642.64 = 165,739.48 : x
  2. Step 2: Convert to fraction form
    565,090.69/847,642.64 = 165,739.48/x
  3. Step 3: Cross multiply
    565,090.69x = 847,642.64 × 165,739.48
  4. Step 4: Simplify right side
    565,090.69x = 140,487,850,379.43
  5. Step 5: Solve for x
    x = 140,487,850,379.43/565,090.69
  6. Step 6: Final answer
    x = 248,611.16

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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.