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Finding the Fourth Proportional to 323,437.55, 485,156.33 and 183,469.55

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Solution

The fourth proportional to 323,437.55, 485,156.33 and 183,469.55 is: 275,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,437.55 : 485,156.33 = 183,469.55 : x
  2. Step 2: Convert to fraction form
    323,437.55/485,156.33 = 183,469.55/x
  3. Step 3: Cross multiply
    323,437.55x = 485,156.33 × 183,469.55
  4. Step 4: Simplify right side
    323,437.55x = 89,011,412,627.40
  5. Step 5: Solve for x
    x = 89,011,412,627.40/323,437.55
  6. Step 6: Final answer
    x = 275,204.33

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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.