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Finding the Fourth Proportional to 226,449.99, 312,570.63 and 145,877.27

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Solution

The fourth proportional to 226,449.99, 312,570.63 and 145,877.27 is: 201,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,449.99 : 312,570.63 = 145,877.27 : x
  2. Step 2: Convert to fraction form
    226,449.99/312,570.63 = 145,877.27/x
  3. Step 3: Cross multiply
    226,449.99x = 312,570.63 × 145,877.27
  4. Step 4: Simplify right side
    226,449.99x = 45,596,948,623.73
  5. Step 5: Solve for x
    x = 45,596,948,623.73/226,449.99
  6. Step 6: Final answer
    x = 201,355.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.