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Finding the Fourth Proportional to 548,265.96, 756,611.76 and 303,246.60

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Solution

The fourth proportional to 548,265.96, 756,611.76 and 303,246.60 is: 418,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,265.96 : 756,611.76 = 303,246.60 : x
  2. Step 2: Convert to fraction form
    548,265.96/756,611.76 = 303,246.60/x
  3. Step 3: Cross multiply
    548,265.96x = 756,611.76 × 303,246.60
  4. Step 4: Simplify right side
    548,265.96x = 229,439,943,740.02
  5. Step 5: Solve for x
    x = 229,439,943,740.02/548,265.96
  6. Step 6: Final answer
    x = 418,482.93

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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.