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Finding the Fourth Proportional to 545,164.59, 752,327.17 and 303,441.98

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Solution

The fourth proportional to 545,164.59, 752,327.17 and 303,441.98 is: 418,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,164.59 : 752,327.17 = 303,441.98 : x
  2. Step 2: Convert to fraction form
    545,164.59/752,327.17 = 303,441.98/x
  3. Step 3: Cross multiply
    545,164.59x = 752,327.17 × 303,441.98
  4. Step 4: Simplify right side
    545,164.59x = 228,287,646,072.60
  5. Step 5: Solve for x
    x = 228,287,646,072.60/545,164.59
  6. Step 6: Final answer
    x = 418,749.95

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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.