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Finding the Fourth Proportional to 540,186.96, 810,241.56 and 236,611.92

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Solution

The fourth proportional to 540,186.96, 810,241.56 and 236,611.92 is: 354,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,186.96 : 810,241.56 = 236,611.92 : x
  2. Step 2: Convert to fraction form
    540,186.96/810,241.56 = 236,611.92/x
  3. Step 3: Cross multiply
    540,186.96x = 810,241.56 × 236,611.92
  4. Step 4: Simplify right side
    540,186.96x = 191,712,811,175.40
  5. Step 5: Solve for x
    x = 191,712,811,175.40/540,186.96
  6. Step 6: Final answer
    x = 354,900.85

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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.