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Finding the Fourth Proportional to 443,935.94, 612,633.96 and 242,731.94

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Solution

The fourth proportional to 443,935.94, 612,633.96 and 242,731.94 is: 334,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,935.94 : 612,633.96 = 242,731.94 : x
  2. Step 2: Convert to fraction form
    443,935.94/612,633.96 = 242,731.94/x
  3. Step 3: Cross multiply
    443,935.94x = 612,633.96 × 242,731.94
  4. Step 4: Simplify right side
    443,935.94x = 148,705,829,620.68
  5. Step 5: Solve for x
    x = 148,705,829,620.68/443,935.94
  6. Step 6: Final answer
    x = 334,971.37

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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.