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Finding the Fourth Proportional to 441,899.84, 663,140.43 and 242,360.34

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Solution

The fourth proportional to 441,899.84, 663,140.43 and 242,360.34 is: 363,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,899.84 : 663,140.43 = 242,360.34 : x
  2. Step 2: Convert to fraction form
    441,899.84/663,140.43 = 242,360.34/x
  3. Step 3: Cross multiply
    441,899.84x = 663,140.43 × 242,360.34
  4. Step 4: Simplify right side
    441,899.84x = 160,718,940,082.55
  5. Step 5: Solve for x
    x = 160,718,940,082.55/441,899.84
  6. Step 6: Final answer
    x = 363,699.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.