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Finding the Fourth Proportional to 443,529, 612,070.02 and 242,326.44

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Solution

The fourth proportional to 443,529, 612,070.02 and 242,326.44 is: 334,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,529 : 612,070.02 = 242,326.44 : x
  2. Step 2: Convert to fraction form
    443,529/612,070.02 = 242,326.44/x
  3. Step 3: Cross multiply
    443,529x = 612,070.02 × 242,326.44
  4. Step 4: Simplify right side
    443,529x = 148,320,748,977.33
  5. Step 5: Solve for x
    x = 148,320,748,977.33/443,529
  6. Step 6: Final answer
    x = 334,410.49

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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.