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Finding the Fourth Proportional to 496,803.70, 745,205.55 and 447,037.30

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Solution

The fourth proportional to 496,803.70, 745,205.55 and 447,037.30 is: 670,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,803.70 : 745,205.55 = 447,037.30 : x
  2. Step 2: Convert to fraction form
    496,803.70/745,205.55 = 447,037.30/x
  3. Step 3: Cross multiply
    496,803.70x = 745,205.55 × 447,037.30
  4. Step 4: Simplify right side
    496,803.70x = 333,134,677,017.02
  5. Step 5: Solve for x
    x = 333,134,677,017.02/496,803.70
  6. Step 6: Final answer
    x = 670,555.95

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Similar ratio
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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.