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Finding the Fourth Proportional to 545,192.46, 752,357.54 and 303,474.68

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Solution

The fourth proportional to 545,192.46, 752,357.54 and 303,474.68 is: 418,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,192.46 : 752,357.54 = 303,474.68 : x
  2. Step 2: Convert to fraction form
    545,192.46/752,357.54 = 303,474.68/x
  3. Step 3: Cross multiply
    545,192.46x = 752,357.54 × 303,474.68
  4. Step 4: Simplify right side
    545,192.46x = 228,321,463,697.09
  5. Step 5: Solve for x
    x = 228,321,463,697.09/545,192.46
  6. Step 6: Final answer
    x = 418,790.57

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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.