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Finding the Fourth Proportional to 321,960.08, 482,830.77 and 111,548.90

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Solution

The fourth proportional to 321,960.08, 482,830.77 and 111,548.90 is: 167,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,960.08 : 482,830.77 = 111,548.90 : x
  2. Step 2: Convert to fraction form
    321,960.08/482,830.77 = 111,548.90/x
  3. Step 3: Cross multiply
    321,960.08x = 482,830.77 × 111,548.90
  4. Step 4: Simplify right side
    321,960.08x = 53,859,242,905.04
  5. Step 5: Solve for x
    x = 53,859,242,905.04/321,960.08
  6. Step 6: Final answer
    x = 167,285.47

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1.5x scale

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.