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Finding the Fourth Proportional to 363,485.80, 544,062.30 and 284,170.60

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Solution

The fourth proportional to 363,485.80, 544,062.30 and 284,170.60 is: 425,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,485.80 : 544,062.30 = 284,170.60 : x
  2. Step 2: Convert to fraction form
    363,485.80/544,062.30 = 284,170.60/x
  3. Step 3: Cross multiply
    363,485.80x = 544,062.30 × 284,170.60
  4. Step 4: Simplify right side
    363,485.80x = 154,606,510,228.38
  5. Step 5: Solve for x
    x = 154,606,510,228.38/363,485.80
  6. Step 6: Final answer
    x = 425,344.02

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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.