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Finding the Fourth Proportional to 453,437.98, 680,162.80 and 133,517.11

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Solution

The fourth proportional to 453,437.98, 680,162.80 and 133,517.11 is: 200,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,437.98 : 680,162.80 = 133,517.11 : x
  2. Step 2: Convert to fraction form
    453,437.98/680,162.80 = 133,517.11/x
  3. Step 3: Cross multiply
    453,437.98x = 680,162.80 × 133,517.11
  4. Step 4: Simplify right side
    453,437.98x = 90,813,368,318.49
  5. Step 5: Solve for x
    x = 90,813,368,318.49/453,437.98
  6. Step 6: Final answer
    x = 200,277.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.