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Finding the Fourth Proportional to 545,164.34, 752,326.82 and 303,441.73

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Solution

The fourth proportional to 545,164.34, 752,326.82 and 303,441.73 is: 418,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,164.34 : 752,326.82 = 303,441.73 : x
  2. Step 2: Convert to fraction form
    545,164.34/752,326.82 = 303,441.73/x
  3. Step 3: Cross multiply
    545,164.34x = 752,326.82 × 303,441.73
  4. Step 4: Simplify right side
    545,164.34x = 228,287,351,786.20
  5. Step 5: Solve for x
    x = 228,287,351,786.20/545,164.34
  6. Step 6: Final answer
    x = 418,749.60

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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.