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Finding the Fourth Proportional to 323,215.10, 484,485.73 and 180,851.64

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Solution

The fourth proportional to 323,215.10, 484,485.73 and 180,851.64 is: 271,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,215.10 : 484,485.73 = 180,851.64 : x
  2. Step 2: Convert to fraction form
    323,215.10/484,485.73 = 180,851.64/x
  3. Step 3: Cross multiply
    323,215.10x = 484,485.73 × 180,851.64
  4. Step 4: Simplify right side
    323,215.10x = 87,620,038,483.85
  5. Step 5: Solve for x
    x = 87,620,038,483.85/323,215.10
  6. Step 6: Final answer
    x = 271,088.94

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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.