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Finding the Fourth Proportional to 348,473.45, 480,922.35 and 193,439.33

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Solution

The fourth proportional to 348,473.45, 480,922.35 and 193,439.33 is: 266,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,473.45 : 480,922.35 = 193,439.33 : x
  2. Step 2: Convert to fraction form
    348,473.45/480,922.35 = 193,439.33/x
  3. Step 3: Cross multiply
    348,473.45x = 480,922.35 × 193,439.33
  4. Step 4: Simplify right side
    348,473.45x = 93,029,297,166.03
  5. Step 5: Solve for x
    x = 93,029,297,166.03/348,473.45
  6. Step 6: Final answer
    x = 266,962.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.