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Finding the Fourth Proportional to 496,803.40, 745,205.10 and 297,737.80

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Solution

The fourth proportional to 496,803.40, 745,205.10 and 297,737.80 is: 446,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,803.40 : 745,205.10 = 297,737.80 : x
  2. Step 2: Convert to fraction form
    496,803.40/745,205.10 = 297,737.80/x
  3. Step 3: Cross multiply
    496,803.40x = 745,205.10 × 297,737.80
  4. Step 4: Simplify right side
    496,803.40x = 221,875,727,022.78
  5. Step 5: Solve for x
    x = 221,875,727,022.78/496,803.40
  6. Step 6: Final answer
    x = 446,606.70

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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.