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Finding the Fourth Proportional to 463,558.59, 639,680.39 and 259,562.74

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Solution

The fourth proportional to 463,558.59, 639,680.39 and 259,562.74 is: 358,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,558.59 : 639,680.39 = 259,562.74 : x
  2. Step 2: Convert to fraction form
    463,558.59/639,680.39 = 259,562.74/x
  3. Step 3: Cross multiply
    463,558.59x = 639,680.39 × 259,562.74
  4. Step 4: Simplify right side
    463,558.59x = 166,037,194,752.67
  5. Step 5: Solve for x
    x = 166,037,194,752.67/463,558.59
  6. Step 6: Final answer
    x = 358,179.53

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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.