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Finding the Fourth Proportional to 443,145.88, 611,538.12 and 241,941.88

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Solution

The fourth proportional to 443,145.88, 611,538.12 and 241,941.88 is: 333,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,145.88 : 611,538.12 = 241,941.88 : x
  2. Step 2: Convert to fraction form
    443,145.88/611,538.12 = 241,941.88/x
  3. Step 3: Cross multiply
    443,145.88x = 611,538.12 × 241,941.88
  4. Step 4: Simplify right side
    443,145.88x = 147,956,682,444.47
  5. Step 5: Solve for x
    x = 147,956,682,444.47/443,145.88
  6. Step 6: Final answer
    x = 333,878.05

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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.