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Finding the Fourth Proportional to 480,338.80, 662,872.46 and 262,553.69

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Solution

The fourth proportional to 480,338.80, 662,872.46 and 262,553.69 is: 362,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,338.80 : 662,872.46 = 262,553.69 : x
  2. Step 2: Convert to fraction form
    480,338.80/662,872.46 = 262,553.69/x
  3. Step 3: Cross multiply
    480,338.80x = 662,872.46 × 262,553.69
  4. Step 4: Simplify right side
    480,338.80x = 174,039,610,372.38
  5. Step 5: Solve for x
    x = 174,039,610,372.38/480,338.80
  6. Step 6: Final answer
    x = 362,326.78

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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.