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Finding the Fourth Proportional to 461,903.92, 637,395.62 and 255,163.16

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Solution

The fourth proportional to 461,903.92, 637,395.62 and 255,163.16 is: 352,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,903.92 : 637,395.62 = 255,163.16 : x
  2. Step 2: Convert to fraction form
    461,903.92/637,395.62 = 255,163.16/x
  3. Step 3: Cross multiply
    461,903.92x = 637,395.62 × 255,163.16
  4. Step 4: Simplify right side
    461,903.92x = 162,639,880,887.03
  5. Step 5: Solve for x
    x = 162,639,880,887.03/461,903.92
  6. Step 6: Final answer
    x = 352,107.60

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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.