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Finding the Fourth Proportional to 545,163.84, 752,326.14 and 303,441.24

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Solution

The fourth proportional to 545,163.84, 752,326.14 and 303,441.24 is: 418,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,163.84 : 752,326.14 = 303,441.24 : x
  2. Step 2: Convert to fraction form
    545,163.84/752,326.14 = 303,441.24/x
  3. Step 3: Cross multiply
    545,163.84x = 752,326.14 × 303,441.24
  4. Step 4: Simplify right side
    545,163.84x = 228,286,776,806.01
  5. Step 5: Solve for x
    x = 228,286,776,806.01/545,163.84
  6. Step 6: Final answer
    x = 418,748.93

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Similar ratio
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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.