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Finding the Fourth Proportional to 496,193.52, 684,941.64 and 351,754.20

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Solution

The fourth proportional to 496,193.52, 684,941.64 and 351,754.20 is: 485,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,193.52 : 684,941.64 = 351,754.20 : x
  2. Step 2: Convert to fraction form
    496,193.52/684,941.64 = 351,754.20/x
  3. Step 3: Cross multiply
    496,193.52x = 684,941.64 × 351,754.20
  4. Step 4: Simplify right side
    496,193.52x = 240,931,098,624.89
  5. Step 5: Solve for x
    x = 240,931,098,624.89/496,193.52
  6. Step 6: Final answer
    x = 485,558.74

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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.