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Finding the Fourth Proportional to 484,567.22, 726,887.73 and 147,636.64

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Solution

The fourth proportional to 484,567.22, 726,887.73 and 147,636.64 is: 221,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,567.22 : 726,887.73 = 147,636.64 : x
  2. Step 2: Convert to fraction form
    484,567.22/726,887.73 = 147,636.64/x
  3. Step 3: Cross multiply
    484,567.22x = 726,887.73 × 147,636.64
  4. Step 4: Simplify right side
    484,567.22x = 107,315,262,114.43
  5. Step 5: Solve for x
    x = 107,315,262,114.43/484,567.22
  6. Step 6: Final answer
    x = 221,466.20

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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.