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Finding the Fourth Proportional to 332,857.89, 499,078.80 and 140,633.50

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Solution

The fourth proportional to 332,857.89, 499,078.80 and 140,633.50 is: 210,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,857.89 : 499,078.80 = 140,633.50 : x
  2. Step 2: Convert to fraction form
    332,857.89/499,078.80 = 140,633.50/x
  3. Step 3: Cross multiply
    332,857.89x = 499,078.80 × 140,633.50
  4. Step 4: Simplify right side
    332,857.89x = 70,187,197,537.18
  5. Step 5: Solve for x
    x = 70,187,197,537.18/332,857.89
  6. Step 6: Final answer
    x = 210,862.35

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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.