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Finding the Fourth Proportional to 536,475.10, 804,712.65 and 449,869.90

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Solution

The fourth proportional to 536,475.10, 804,712.65 and 449,869.90 is: 674,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,475.10 : 804,712.65 = 449,869.90 : x
  2. Step 2: Convert to fraction form
    536,475.10/804,712.65 = 449,869.90/x
  3. Step 3: Cross multiply
    536,475.10x = 804,712.65 × 449,869.90
  4. Step 4: Simplify right side
    536,475.10x = 362,015,999,384.24
  5. Step 5: Solve for x
    x = 362,015,999,384.24/536,475.10
  6. Step 6: Final answer
    x = 674,804.85

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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.