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Finding the Fourth Proportional to 347,615.80, 521,132.10 and 181,403.80

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Solution

The fourth proportional to 347,615.80, 521,132.10 and 181,403.80 is: 271,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,615.80 : 521,132.10 = 181,403.80 : x
  2. Step 2: Convert to fraction form
    347,615.80/521,132.10 = 181,403.80/x
  3. Step 3: Cross multiply
    347,615.80x = 521,132.10 × 181,403.80
  4. Step 4: Simplify right side
    347,615.80x = 94,535,343,241.98
  5. Step 5: Solve for x
    x = 94,535,343,241.98/347,615.80
  6. Step 6: Final answer
    x = 271,953.53

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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.