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Finding the Fourth Proportional to 437,639.10, 656,458.65 and 250,496.70

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Solution

The fourth proportional to 437,639.10, 656,458.65 and 250,496.70 is: 375,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,639.10 : 656,458.65 = 250,496.70 : x
  2. Step 2: Convert to fraction form
    437,639.10/656,458.65 = 250,496.70/x
  3. Step 3: Cross multiply
    437,639.10x = 656,458.65 × 250,496.70
  4. Step 4: Simplify right side
    437,639.10x = 164,440,725,511.46
  5. Step 5: Solve for x
    x = 164,440,725,511.46/437,639.10
  6. Step 6: Final answer
    x = 375,745.05

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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.