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Finding the Fourth Proportional to 545,219.94, 752,425.56 and 303,487.14

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Solution

The fourth proportional to 545,219.94, 752,425.56 and 303,487.14 is: 418,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,219.94 : 752,425.56 = 303,487.14 : x
  2. Step 2: Convert to fraction form
    545,219.94/752,425.56 = 303,487.14/x
  3. Step 3: Cross multiply
    545,219.94x = 752,425.56 × 303,487.14
  4. Step 4: Simplify right side
    545,219.94x = 228,351,481,267.30
  5. Step 5: Solve for x
    x = 228,351,481,267.30/545,219.94
  6. Step 6: Final answer
    x = 418,824.52

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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.