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Finding the Fourth Proportional to 350,496, 483,684.48 and 191,520

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Solution

The fourth proportional to 350,496, 483,684.48 and 191,520 is: 264,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,496 : 483,684.48 = 191,520 : x
  2. Step 2: Convert to fraction form
    350,496/483,684.48 = 191,520/x
  3. Step 3: Cross multiply
    350,496x = 483,684.48 × 191,520
  4. Step 4: Simplify right side
    350,496x = 92,635,251,609.60
  5. Step 5: Solve for x
    x = 92,635,251,609.60/350,496
  6. Step 6: Final answer
    x = 264,297.60

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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.