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Finding the Fourth Proportional to 491,037.40, 737,025.90 and 254,549.80

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Solution

The fourth proportional to 491,037.40, 737,025.90 and 254,549.80 is: 382,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,037.40 : 737,025.90 = 254,549.80 : x
  2. Step 2: Convert to fraction form
    491,037.40/737,025.90 = 254,549.80/x
  3. Step 3: Cross multiply
    491,037.40x = 737,025.90 × 254,549.80
  4. Step 4: Simplify right side
    491,037.40x = 187,609,795,439.82
  5. Step 5: Solve for x
    x = 187,609,795,439.82/491,037.40
  6. Step 6: Final answer
    x = 382,068.24

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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.