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Finding the Fourth Proportional to 467,903.70, 701,855.55 and 448,220.70

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Solution

The fourth proportional to 467,903.70, 701,855.55 and 448,220.70 is: 672,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,903.70 : 701,855.55 = 448,220.70 : x
  2. Step 2: Convert to fraction form
    467,903.70/701,855.55 = 448,220.70/x
  3. Step 3: Cross multiply
    467,903.70x = 701,855.55 × 448,220.70
  4. Step 4: Simplify right side
    467,903.70x = 314,586,185,919.89
  5. Step 5: Solve for x
    x = 314,586,185,919.89/467,903.70
  6. Step 6: Final answer
    x = 672,331.05

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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.