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Finding the Fourth Proportional to 443,601, 612,184.50 and 242,409.96

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Solution

The fourth proportional to 443,601, 612,184.50 and 242,409.96 is: 334,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,601 : 612,184.50 = 242,409.96 : x
  2. Step 2: Convert to fraction form
    443,601/612,184.50 = 242,409.96/x
  3. Step 3: Cross multiply
    443,601x = 612,184.50 × 242,409.96
  4. Step 4: Simplify right side
    443,601x = 148,399,620,157.62
  5. Step 5: Solve for x
    x = 148,399,620,157.62/443,601
  6. Step 6: Final answer
    x = 334,534.01

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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.