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Finding the Fourth Proportional to 322,688.72, 484,033.08 and 101,090

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Solution

The fourth proportional to 322,688.72, 484,033.08 and 101,090 is: 151,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,688.72 : 484,033.08 = 101,090 : x
  2. Step 2: Convert to fraction form
    322,688.72/484,033.08 = 101,090/x
  3. Step 3: Cross multiply
    322,688.72x = 484,033.08 × 101,090
  4. Step 4: Simplify right side
    322,688.72x = 48,930,904,057.20
  5. Step 5: Solve for x
    x = 48,930,904,057.20/322,688.72
  6. Step 6: Final answer
    x = 151,635.00

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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.