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Finding the Fourth Proportional to 443,363.63, 611,844.23 and 242,159.63

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Solution

The fourth proportional to 443,363.63, 611,844.23 and 242,159.63 is: 334,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,363.63 : 611,844.23 = 242,159.63 : x
  2. Step 2: Convert to fraction form
    443,363.63/611,844.23 = 242,159.63/x
  3. Step 3: Cross multiply
    443,363.63x = 611,844.23 × 242,159.63
  4. Step 4: Simplify right side
    443,363.63x = 148,163,969,900.61
  5. Step 5: Solve for x
    x = 148,163,969,900.61/443,363.63
  6. Step 6: Final answer
    x = 334,181.61

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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.